#428B25#428B25

#428B25 is a mid, vivid green. Relative luminance 0.198; OKLCH L 56.9% C 0.154 H 138.4°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#428B25
RGB	rgb(66, 139, 37)
HSL	hsl(103, 58%, 35%)
HSV	hsv(103, 73%, 55%)
CMYK	cmyk(52.5%, 0%, 73.4%, 45.5%)
CIE-LAB	lab(51.56, -41.69, 45.15)
CIE-LCH	lch(51.56, 61.45, 132.72°)
OKLab	oklab(56.85% -0.115 0.1022)
OKLCH	oklch(56.85% 0.154 138.4)
XYZ	xyz(11.8129, 19.7562, 4.9407)
Luminance	0.1976 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428B25 #6E258B

analogous

#758B25 #428B25 #258B3B

triadic

#428B25 #25428B #8B2542

tetradic

#428B25 #25758B #6E258B #8B3B25

square

#428B25 #25758B #6E258B #8B3B25

split-complementary

#428B25 #3B258B #8B2575

monochromatic

#142A0B #2B5B18 #428B25 #59BB32 #7BD358

Accessibility & contrast

On white

4.24

#428B25 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#428B25 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428B25

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428B25	#FFFFFF	#000000	##000000
##428B25	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F7F14

Deuteranopia (green-blind)

#86792F

Tritanopia (blue-blind)

#3C8677

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #428b25;
/* rgb */ color: rgb(66, 139, 37);
/* oklch */ color: oklch(56.9% 0.154 138.4);

Tailwind

colors: {
  custom: {
    50: '#7ead66',
    500: '#428b25',
    950: '#000000',
  },
}

SCSS

$custom: #428b25;
$custom-light: #7ead66;
$custom-dark: #000000;

JSON

{
  "hex": "#428b25",
  "rgb": {
    "r": 66,
    "g": 139,
    "b": 37
  },
  "hsl": {
    "h": 102.941,
    "s": 57.955,
    "l": 34.51
  },
  "oklch": {
    "l": 0.56854,
    "c": 0.15391,
    "h": 138.4
  },
  "luminance": 0.19757
}

Semantic roles & 50–950 ramp

primary

#428B25

secondary

#9B55B7

accent

#47E1B5

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0A1006

muted

#7C7F7A

Preview Lab

Preview with #428B25

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

Preview Lab → · Contrast checker → · Palette generator →