#28420B#28420B

#28420B is a dark, moderate yellow-green. Relative luminance 0.044; OKLCH L 34.5% C 0.085 H 131.9°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#28420B
RGB	rgb(40, 66, 11)
HSL	hsl(88, 71%, 15%)
HSV	hsv(88, 83%, 26%)
CMYK	cmyk(39.4%, 0%, 83.3%, 74.1%)
CIE-LAB	lab(24.86, -20.19, 28.45)
CIE-LCH	lch(24.86, 34.89, 125.36°)
OKLab	oklab(34.55% -0.057 0.0637)
OKLCH	oklch(34.55% 0.085 131.9)
XYZ	xyz(2.8837, 4.3716, 1.0084)
Luminance	0.0437 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forrest Green

#154406

ΔE00 3.93

Hunter Green (survey)

#0B4008

ΔE00 4.95

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28420B #250B42

analogous

#42410B #28420B #0C420B

triadic

#28420B #0B2842 #420B28

tetradic

#28420B #0B4241 #250B42 #420B0C

square

#28420B #0B4241 #250B42 #420B0C

split-complementary

#28420B #0B0C42 #410B42

monochromatic

#101A04 #101A04 #28420B #487614 #68AB1C

Accessibility & contrast

On white

11.20

#28420B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#28420B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28420B

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28420B	#FFFFFF	#000000	##FFFFFF
##28420B	1.00	11.20	1.87	11.20
#FFFFFF	11.20	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453C03

Deuteranopia (green-blind)

#423A10

Tritanopia (blue-blind)

#293F37

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #28420b;
/* rgb */ color: rgb(40, 66, 11);
/* oklch */ color: oklch(34.5% 0.085 131.9);

Tailwind

colors: {
  custom: {
    50: '#65764e',
    500: '#28420b',
    950: '#000000',
  },
}

SCSS

$custom: #28420b;
$custom-light: #65764e;
$custom-dark: #000000;

JSON

{
  "hex": "#28420b",
  "rgb": {
    "r": 40,
    "g": 66,
    "b": 11
  },
  "hsl": {
    "h": 88.364,
    "s": 71.429,
    "l": 15.098
  },
  "oklch": {
    "l": 0.34548,
    "c": 0.08548,
    "h": 131.9
  },
  "luminance": 0.04372
}

Semantic roles & 50–950 ramp

primary

#28420B

secondary

#522A7F

accent

#3AEE8F

background

#F6F7F4

surface

#EBEDE7

border

#C6C8C3

text

#060802

muted

#7A7B78

Preview Lab

Preview with #28420B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →