#258B57#258B57

#258B57 is a mid, vivid green. Relative luminance 0.195; OKLCH L 56.6% C 0.122 H 156.1°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#258B57
RGB	rgb(37, 139, 87)
HSL	hsl(149, 58%, 35%)
HSV	hsv(149, 73%, 55%)
CMYK	cmyk(73.4%, 0%, 37.4%, 45.5%)
CIE-LAB	lab(51.32, -41.34, 19.73)
CIE-LCH	lch(51.32, 45.80, 154.49°)
OKLab	oklab(56.62% -0.1118 0.0495)
OKLCH	oklch(56.62% 0.122 156.1)
XYZ	xyz(11.7148, 19.5453, 12.1702)
Luminance	0.1955 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258B57 #8B2559

analogous

#268B25 #258B57 #258B8A

triadic

#258B57 #57258B #8B5725

tetradic

#258B57 #25268B #8B2559 #8B8A25

square

#258B57 #25268B #8B2559 #8B8A25

split-complementary

#258B57 #8A258B #8B2526

monochromatic

#0B2A1A #185B39 #258B57 #32BB75 #58D394

Accessibility & contrast

On white

4.28

#258B57 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#258B57 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258B57

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258B57	#FFFFFF	#000000	##000000
##258B57	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A8054

Deuteranopia (green-blind)

#7E775A

Tritanopia (blue-blind)

#008A7E

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #258b57;
/* rgb */ color: rgb(37, 139, 87);
/* oklch */ color: oklch(56.6% 0.122 156.1);

Tailwind

colors: {
  custom: {
    50: '#6fae87',
    500: '#258b57',
    950: '#000000',
  },
}

SCSS

$custom: #258b57;
$custom-light: #6fae87;
$custom-dark: #000000;

JSON

{
  "hex": "#258b57",
  "rgb": {
    "r": 37,
    "g": 139,
    "b": 87
  },
  "hsl": {
    "h": 149.412,
    "s": 57.955,
    "l": 34.51
  },
  "oklch": {
    "l": 0.56615,
    "c": 0.12227,
    "h": 156.1
  },
  "luminance": 0.19547
}

Semantic roles & 50–950 ramp

primary

#258B57

secondary

#B75587

accent

#4795E1

background

#F7FAF8

surface

#EDF4EF

border

#C8CECA

text

#08100B

muted

#7B7F7C

Preview Lab

Preview with #258B57

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

Preview Lab → · Contrast checker → · Palette generator →