#C9EB59#C9EB59

#C9EB59 is a very light, vivid yellow-green. Relative luminance 0.726; OKLCH L 88.8% C 0.174 H 121.2°. Best body text is #000000 at 15.51:1 contrast (WCAG AA passes).

Color values

HEX	#C9EB59
RGB	rgb(201, 235, 89)
HSL	hsl(74, 78%, 64%)
HSV	hsv(74, 62%, 92%)
CMYK	cmyk(14.5%, 0%, 62.1%, 7.8%)
CIE-LAB	lab(88.24, -31.13, 65.04)
CIE-LCH	lch(88.24, 72.10, 115.57°)
OKLab	oklab(88.79% -0.0901 0.1488)
OKLCH	oklch(88.79% 0.174 121.2)
XYZ	xyz(55.5996, 72.5555, 20.5248)
Luminance	0.7256 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9EB59 #7B59EB

analogous

#EBC459 #C9EB59 #80EB59

triadic

#C9EB59 #59C9EB #EB59C9

tetradic

#C9EB59 #59EBC4 #7B59EB #EB5980

square

#C9EB59 #59EBC4 #7B59EB #EB5980

split-complementary

#C9EB59 #5980EB #C459EB

monochromatic

#8FB416 #B7E422 #C9EB59 #DBF290 #EDF8C6

Accessibility & contrast

On white

1.35

#C9EB59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.51

#C9EB59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9EB59

15.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9EB59	#FFFFFF	#000000	##000000
##C9EB59	1.00	1.35	15.51	15.51
#FFFFFF	1.35	1.00	21.00	21.00
#000000	15.51	21.00	1.00	1.00
##000000	15.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F8DE47

Deuteranopia (green-blind)

#F4DE63

Tritanopia (blue-blind)

#D3E0CD

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #c9eb59;
/* rgb */ color: rgb(201, 235, 89);
/* oklch */ color: oklch(88.8% 0.174 121.2);

Tailwind

colors: {
  custom: {
    50: '#dcf18e',
    500: '#c9eb59',
    950: '#000000',
  },
}

SCSS

$custom: #c9eb59;
$custom-light: #dcf18e;
$custom-dark: #000000;

JSON

{
  "hex": "#c9eb59",
  "rgb": {
    "r": 201,
    "g": 235,
    "b": 89
  },
  "hsl": {
    "h": 73.973,
    "s": 78.495,
    "l": 63.529
  },
  "oklch": {
    "l": 0.88789,
    "c": 0.17399,
    "h": 121.2
  },
  "luminance": 0.72555
}

Semantic roles & 50–950 ramp

primary

#C9EB59

secondary

#5234B4

accent

#0BDB3B

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15160D

muted

#84857F

Preview Lab

Preview with #C9EB59

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

Preview Lab → · Contrast checker → · Palette generator →