#21400A#21400A

#21400A is a dark, moderate yellow-green. Relative luminance 0.040; OKLCH L 33.5% C 0.088 H 135.1°. Best body text is #FFFFFF at 11.65:1 contrast (WCAG AA passes).

Color values

HEX	#21400A
RGB	rgb(33, 64, 10)
HSL	hsl(94, 73%, 15%)
HSV	hsv(94, 84%, 25%)
CMYK	cmyk(48.4%, 0%, 84.4%, 74.9%)
CIE-LAB	lab(23.71, -22.17, 27.59)
CIE-LCH	lch(23.71, 35.39, 128.78°)
OKLab	oklab(33.49% -0.0619 0.0618)
OKLCH	oklch(33.49% 0.088 135.1)
XYZ	xyz(2.5153, 4.0119, 0.9289)
Luminance	0.0401 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forrest Green

#154406

ΔE00 2.90

Hunter Green (survey)

#0B4008

ΔE00 3.53

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21400A #290A40

analogous

#3C400A #21400A #0A400E

triadic

#21400A #0A2140 #400A21

tetradic

#21400A #0A3C40 #290A40 #400E0A

square

#21400A #0A3C40 #290A40 #400E0A

split-complementary

#21400A #0E0A40 #400A3C

monochromatic

#0E1A04 #0E1A04 #21400A #3C7512 #58AA1B

Accessibility & contrast

On white

11.65

#21400A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#21400A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21400A

11.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21400A	#FFFFFF	#000000	##FFFFFF
##21400A	1.00	11.65	1.80	11.65
#FFFFFF	11.65	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433A02

Deuteranopia (green-blind)

#3F380F

Tritanopia (blue-blind)

#203D36

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #21400a;
/* rgb */ color: rgb(33, 64, 10);
/* oklch */ color: oklch(33.5% 0.088 135.1);

Tailwind

colors: {
  custom: {
    50: '#60754d',
    500: '#21400a',
    950: '#000000',
  },
}

SCSS

$custom: #21400a;
$custom-light: #60754d;
$custom-dark: #000000;

JSON

{
  "hex": "#21400a",
  "rgb": {
    "r": 33,
    "g": 64,
    "b": 10
  },
  "hsl": {
    "h": 94.444,
    "s": 72.973,
    "l": 14.51
  },
  "oklch": {
    "l": 0.33492,
    "c": 0.08753,
    "h": 135.1
  },
  "luminance": 0.04012
}

Semantic roles & 50–950 ramp

primary

#21400A

secondary

#59297D

accent

#38F0A1

background

#F5F7F4

surface

#EAEDE7

border

#C6C8C3

text

#050801

muted

#797B77

Preview Lab

Preview with #21400A

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

Preview Lab → · Contrast checker → · Palette generator →