Phthalo Green (#123524)

The hex code for Phthalo Green is #123524. It is rgb(18, 53, 36) in RGB, hsl(151, 49%, 14%) in HSL, and about cmyk(66%, 0%, 32%, 79%) in CMYK — a darkest green. White text is the more readable choice on this background.

#123524

HEX#123524

RGBrgb(18, 53, 36)

HSLhsl(151, 49%, 14%)

HSVhsv(151, 66%, 21%)

CMYKcmyk(66%, 0%, 32%, 79%)

OKLCHoklch(29.8% 0.051 159.7)

LABlab(19.20% -16.97 6.80)

LCHlch(19.20% 18.28 158.16)

Colors Closest to Phthalo Green

Phthalo Green is a registered color name. These are the named colors nearest to it, measured as CIE76 distance in CIELAB — a perceptual scale, so the ordering matches what the eye sees rather than how close the raw RGB numbers happen to sit.

Sacramento State Green#043927ΔE 4.5 Medium Jungle Green#1C352DΔE 7.12 MSU Green#18453BΔE 8.87 Zydeco#20483FΔE 10.2 Kombu Green#354230ΔE 11.33 British Racing Green#004225ΔE 11.43

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

#123524 Channel Values

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

Model	Channels	Notes
RGB	R 18 · G 53 · B 36	8-bit channels as sent to the display
HSL	H 151° · S 49% · L 14%	Easiest model for building lighter and darker variants
HSV	H 151° · S 66% · V 21%	Matches the picker in most design tools
CMYK	C 66% · M 0% · Y 32% · K 79%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	13.46:1 vs white · 1.56:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a Phthalo Green 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 text13.46:1AA normal AA large AAA normal

Fails AABlack text1.56:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #123524 in the contrast checker.

Colors That Go With Phthalo Green

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

Base

Complementary

Analogous

Analogous

Triadic

Triadic

Split comp.

Split comp.

Tints & Shades of Phthalo Green

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

Shades

Want a full 50-950 ramp with semantic roles? Generate design tokens from #123524.

How Phthalo Green 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#123524

Protanopia#313124

Protanomaly#283324

Deuteranopia#2D2D25

Deuteranomaly#243025

Tritanopia#173333

Tritanomaly#15342E

Achromatopsia#2F2F2F

Test a full palette in the color blindness simulator.

Using #123524 in Code

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

CSS custom property--phthalo-green: #123524;

CSS backgroundbackground-color: #123524;

Tailwind configcolors: { 'phthalo-green': '#123524' }

SwiftUIColor(red: 0.071, green: 0.208, blue: 0.141)

Android XML<color name="phthalo_green">#123524</color>

SVG fillfill="#123524"

More Green Colors

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

136207 116a11 138808 114611 143d27 11321f 155615 0fff0f 171c0c 0f2e24 17452b 0e7a0d 253d00 344511 4a6318 61ff61 7bb661 96ff00 a7fc00 bfff00 d6ffd6 000200 008236 00e000

#123524 Frequently Asked Questions

What is the hex code for Phthalo Green?

The hex code for Phthalo Green is #123524. That is rgb(18, 53, 36) in RGB, hsl(151, 49%, 14%) in HSL, and approximately cmyk(66%, 0%, 32%, 79%) in CMYK.

What is the RGB value of #123524?

#123524 is rgb(18, 53, 36) — red 18, green 53, and blue 36 on the 0-255 scale.

What is the CMYK value of #123524?

#123524 converts to approximately cmyk(66%, 0%, 32%, 79%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #123524 be black or white?

White text is the more readable choice. #123524 scores 13.46:1 against white and 1.56:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #123524 as a CSS color keyword?

No. #123524 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 darkslategray (#2F4F4F) at a CIE76 distance of 16.74, which is visibly different.

Open Phthalo Green in a Tool

Hex to RGB Hex to HSL Hex to CMYK Hex to OKLCH Hex to Pantone Build a palette Make a gradient

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