#28310A#28310A

#28310A is a dark, moderate yellow-green. Relative luminance 0.027; OKLCH L 29.5% C 0.060 H 121.4°. Best body text is #FFFFFF at 13.69:1 contrast (WCAG AA passes).

Color values

HEX	#28310A
RGB	rgb(40, 49, 10)
HSL	hsl(74, 66%, 12%)
HSV	hsv(74, 80%, 19%)
CMYK	cmyk(18.4%, 0%, 79.6%, 80.8%)
CIE-LAB	lab(18.67, -10.75, 22.24)
CIE-LCH	lch(18.67, 24.70, 115.80°)
OKLab	oklab(29.52% -0.0313 0.0513)
OKLCH	oklch(29.52% 0.06 121.4)
XYZ	xyz(2.0282, 2.6697, 0.6955)
Luminance	0.0267 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28310A #130A31

analogous

#31270A #28310A #15310A

triadic

#28310A #0A2831 #310A28

tetradic

#28310A #0A3127 #130A31 #310A15

square

#28310A #0A3127 #130A31 #310A15

split-complementary

#28310A #0A1531 #270A31

monochromatic

#151905 #151905 #28310A #516414 #7B971F

Accessibility & contrast

On white

13.69

#28310A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#28310A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28310A

13.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28310A	#FFFFFF	#000000	##FFFFFF
##28310A	1.00	13.69	1.53	13.69
#FFFFFF	13.69	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#342E05

Deuteranopia (green-blind)

#332D0D

Tritanopia (blue-blind)

#2B2E29

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #28310a;
/* rgb */ color: rgb(40, 49, 10);
/* oklch */ color: oklch(29.5% 0.060 121.4);

Tailwind

colors: {
  custom: {
    50: '#63694c',
    500: '#28310a',
    950: '#000000',
  },
}

SCSS

$custom: #28310a;
$custom-light: #63694c;
$custom-dark: #000000;

JSON

{
  "hex": "#28310a",
  "rgb": {
    "r": 40,
    "g": 49,
    "b": 10
  },
  "hsl": {
    "h": 73.846,
    "s": 66.102,
    "l": 11.569
  },
  "oklch": {
    "l": 0.29519,
    "c": 0.06013,
    "h": 121.4
  },
  "luminance": 0.0267
}

Semantic roles & 50–950 ramp

primary

#28310A

secondary

#39296E

accent

#3FE966

background

#F6F6F4

surface

#EBEBE7

border

#C6C6C3

text

#050601

muted

#7A7A77

Preview Lab

Preview with #28310A

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

Preview Lab → · Contrast checker → · Palette generator →