Skip to content

#187C23 Color

#187C23 is rgb(24, 124, 35) in RGB, hsl(127, 68%, 29%) in HSL, and about cmyk(81%, 0%, 72%, 51%) in CMYK. It has no registered color name of its own — the closest is Xbox Green (#0E7A0D), clearly related but distinguishable side by side at ΔE 6.57. White text is the more readable choice on this background.

#187C23
HEX#187C23
RGBrgb(24, 124, 35)
HSLhsl(127, 68%, 29%)
HSVhsv(127, 81%, 49%)
CMYKcmyk(81%, 0%, 72%, 51%)
OKLCHoklch(51.3% 0.153 144.2)
LABlab(45.30% -42.55 38.20)
LCHlch(45.30% 57.18 138.08)

What #187C23 Is Called

Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #187C23, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Xbox Green#0E7A0DΔE 6.57La Salle Green#087830ΔE 7.82Forest Green#228B22ΔE 8.52Pakistan Green#006600ΔE 9.13Dark Green#006400ΔE 9.77Metallic Green#296E01ΔE 10.11

Browse the full index of named colors A-Z or every green in the library.

#187C23 Channel Values

How #187C23 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

ModelChannelsNotes
RGBR 24 · G 124 · B 358-bit channels as sent to the display
HSLH 127° · S 68% · L 29%Easiest model for building lighter and darker variants
HSVH 127° · S 81% · V 49%Matches the picker in most design tools
CMYKC 81% · M 0% · Y 72% · K 51%Approximate ink mix; confirm with an ICC profile before printing
Luminance5.32:1 vs white · 3.95:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #187C23 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.

TextWhite text5.32:1AA normal AA large AAA normal
Fails AABlack text3.95:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #187C23 in the contrast checker.

Colors That Go With #187C23

Pairings derived from color-wheel relationships. The complementary color sits opposite #187C23; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#187C23
Complementary
#7C1871
Analogous
#3E7C18
Analogous
#187C56
Triadic
#23187C
Triadic
#7C2318
Split comp.
#56187C
Split comp.
#7C183E

Tints & Shades of #187C23

Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.

Tints

#20A730
#28D23C
#4FDE60
#76E583
#A1EDAA
#CCF5D0

Shades

#146B1F
#125E1B
#0F4D16
#0C4012
#092F0D
#07220A

Want a full 50-950 ramp with semantic roles? Generate design tokens from #187C23.

How #187C23 Looks with Color Vision Deficiency

Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.

Typical#187C23
Protanopia#727224
Protanomaly#5B7624
Deuteranopia#686829
Deuteranomaly#537027
Tritanopia#337575
Tritanomaly#2A785F
Achromatopsia#6B6B6B

Test a full palette in the color blindness simulator.

Using #187C23 in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-187c23: #187C23;
CSS backgroundbackground-color: #187C23;
Tailwind configcolors: { 'color-187c23': '#187C23' }
SwiftUIColor(red: 0.094, green: 0.486, blue: 0.137)
Android XML<color name="color_187c23">#187C23</color>
SVG fillfill="#187C23"

More Green Colors

#187C23 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#187C23 Frequently Asked Questions

What color is #187C23?

#187C23 is a dark green — rgb(24, 124, 35) in RGB and hsl(127, 68%, 29%) in HSL. It carries no registered color name of its own; the closest named color is Xbox Green (#0E7A0D), which is clearly related but distinguishable side by side at a CIE76 distance of 6.57.

What is the RGB value of #187C23?

#187C23 is rgb(24, 124, 35) — red 24, green 124, and blue 35 on the 0-255 scale.

What is the CMYK value of #187C23?

#187C23 converts to approximately cmyk(81%, 0%, 72%, 51%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #187C23 be black or white?

White text is the more readable choice. #187C23 scores 5.32:1 against white and 3.95:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #187C23 as a CSS color keyword?

No. #187C23 is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is forestgreen (#228B22) at a CIE76 distance of 8.52, which is clearly related but distinguishable side by side.

Open #187C23 in a Tool

Hex to RGBHex to HSLHex to CMYKHex to OKLCHHex to PantoneBuild a paletteMake a gradient

Keep exploring: every green in the color library, the guide to shades of green, or the full color library.