#10521B#10521B

#10521B is a dark, moderate green. Relative luminance 0.062; OKLCH L 38.5% C 0.108 H 145.5°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#10521B
RGB	rgb(16, 82, 27)
HSL	hsl(130, 67%, 19%)
HSV	hsv(130, 80%, 32%)
CMYK	cmyk(80.5%, 0%, 67.1%, 67.8%)
CIE-LAB	lab(29.97, -32.94, 25.99)
CIE-LCH	lch(29.97, 41.96, 141.73°)
OKLab	oklab(38.54% -0.0889 0.061)
OKLCH	oklch(38.54% 0.108 145.5)
XYZ	xyz(3.4286, 6.2235, 2.0573)
Luminance	0.0622 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10521B #521047

analogous

#265210 #10521B #10523C

triadic

#10521B #1B1052 #521B10

tetradic

#10521B #102652 #521047 #523C10

square

#10521B #102652 #521047 #523C10

split-complementary

#10521B #3C1052 #521026

monochromatic

#051A08 #061F0A #10521B #1A852C #24B83D

Accessibility & contrast

On white

9.35

#10521B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#10521B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10521B

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10521B	#FFFFFF	#000000	##FFFFFF
##10521B	1.00	9.35	2.24	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534A15

Deuteranopia (green-blind)

#4C4520

Tritanopia (blue-blind)

#005046

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #10521b;
/* rgb */ color: rgb(16, 82, 27);
/* oklch */ color: oklch(38.5% 0.108 145.5);

Tailwind

colors: {
  custom: {
    50: '#5b835a',
    500: '#10521b',
    950: '#000000',
  },
}

SCSS

$custom: #10521b;
$custom-light: #5b835a;
$custom-dark: #000000;

JSON

{
  "hex": "#10521b",
  "rgb": {
    "r": 16,
    "g": 82,
    "b": 27
  },
  "hsl": {
    "h": 130,
    "s": 67.347,
    "l": 19.216
  },
  "oklch": {
    "l": 0.38537,
    "c": 0.10776,
    "h": 145.5
  },
  "luminance": 0.06224
}

Semantic roles & 50–950 ramp

primary

#10521B

secondary

#8C327D

accent

#3ECDEA

background

#F5F8F5

surface

#E9EFE9

border

#C5CAC5

text

#040B04

muted

#797C79

Preview Lab

Preview with #10521B

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

Preview Lab → · Contrast checker → · Palette generator →