#284E03#284E03

#284E03 is a dark, moderate yellow-green. Relative luminance 0.059; OKLCH L 38.1% C 0.107 H 134.2°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#284E03
RGB	rgb(40, 78, 3)
HSL	hsl(90, 93%, 16%)
HSV	hsv(90, 96%, 31%)
CMYK	cmyk(48.7%, 0%, 96.2%, 69.4%)
CIE-LAB	lab(29.17, -26.56, 35.51)
CIE-LCH	lch(29.17, 44.35, 126.79°)
OKLab	oklab(38.06% -0.0748 0.0768)
OKLCH	oklch(38.06% 0.107 134.2)
XYZ	xyz(3.6158, 5.9063, 1.0356)
Luminance	0.0591 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284E03 #29034E

analogous

#4D4E03 #284E03 #034E03

triadic

#284E03 #03284E #4E0328

tetradic

#284E03 #034D4E #29034E #4E0303

square

#284E03 #034D4E #29034E #4E0303

split-complementary

#284E03 #03034E #4E034D

monochromatic

#0F1D01 #0F1D01 #284E03 #468905 #64C408

Accessibility & contrast

On white

9.63

#284E03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#284E03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284E03

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284E03	#FFFFFF	#000000	##FFFFFF
##284E03	1.00	9.63	2.18	9.63
#FFFFFF	9.63	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514700

Deuteranopia (green-blind)

#4C440D

Tritanopia (blue-blind)

#274A41

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #284e03;
/* rgb */ color: rgb(40, 78, 3);
/* oklch */ color: oklch(38.1% 0.107 134.2);

Tailwind

colors: {
  custom: {
    50: '#67804d',
    500: '#284e03',
    950: '#000000',
  },
}

SCSS

$custom: #284e03;
$custom-light: #67804d;
$custom-dark: #000000;

JSON

{
  "hex": "#284e03",
  "rgb": {
    "r": 40,
    "g": 78,
    "b": 3
  },
  "hsl": {
    "h": 90.4,
    "s": 92.593,
    "l": 15.882
  },
  "oklch": {
    "l": 0.38062,
    "c": 0.10724,
    "h": 134.2
  },
  "luminance": 0.05906
}

Semantic roles & 50–950 ramp

primary

#284E03

secondary

#571E8E

accent

#29FF95

background

#F6F7F4

surface

#EBEEE7

border

#C6C9C3

text

#060A01

muted

#7A7C77

Preview Lab

Preview with #284E03

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

Preview Lab → · Contrast checker → · Palette generator →