#C5DE5B
Closest named color: Greenish Beige (#C9D179). oklch(85.7% 0.158 119), rgb(197, 222, 91).
Aa
Black text reads best on this color (13.97:1).
About this color
#C5DE5B is a light, vivid yellow. In OKLCH its lightness is 86%, its chroma 0.158 and its hue 119°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greenish Beige (#C9D179), ΔE 0.053 away. Black text reads best on it, at 13.97:1.
| Hue family | Yellows |
| Lightness | light (86%) |
| Chroma | vivid (0.158) |
| Temperature | in between |
| Nearest name | Greenish Beige (#C9D179) |
| Black text | 13.97:1 |
| White text | 1.50:1 |
Values
| HEX | #C5DE5B |
| RGB | rgb(197, 222, 91) |
| HSL | hsl(71, 66%, 61%) |
| OKLCH | oklch(85.7% 0.158 119) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #C5DE5B | 1.50:1 | Fails | Lc -26.6 | Dividers and decoration only |
| Black text on #C5DE5B | 13.97:1 | AAA | Lc 80.3 | Fine for body text |
| #C5DE5B text on white | 1.50:1 | Fails | Lc 23.4 | Dividers and decoration only |
| #C5DE5B text on black | 13.97:1 | AAA | Lc -79.8 | Fine for body text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 200.
-
Step 50
50
#F3F8E4
oklch(97% 0.027 118.3)
-
Step 100
100
#E5F0C4
oklch(93.6% 0.059 118.9)
-
Step 200
200 (this color)
#C5DE5B
oklch(85.7% 0.158 119)
-
Step 300
300
#B4D000
oklch(80.8% 0.19 119)
-
Step 400
400
#96AE00
oklch(70.7% 0.166 119.1)
-
Step 500
500
#809500
oklch(63.1% 0.149 119.2)
-
Step 600
600
#6C7D00
oklch(55.6% 0.13 118.8)
-
Step 700
700
#5A6900
oklch(49.1% 0.115 119)
-
Step 800
800
#495600
oklch(42.7% 0.101 119.3)
-
Step 900
900
#3D4800
oklch(37.8% 0.089 119.1)
-
Step 950
950
#232A00
oklch(26.9% 0.063 118.9)
#C5DE5B with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #EBD34C | 0.054 |
| Deuteranopia (no green cones) | #E8D364 | 0.057 |
| Tritanopia (no blue cones) | #CFD3C2 | 0.135 |
| Achromatopsia (no color) | #D3D3D3 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C5DE5B
#C5DE5B
oklch(85.7% 0.158 119)
- #D7C5FF
#D7C5FF
oklch(85.8% 0.082 298.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #C5DE5B, closest first.
No curated palette has a color within ΔE 0.04 of #C5DE5B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenish Beige #C9D179 ΔE 0.053
- Dull Yellow #EEDC5B ΔE 0.056
- Pale Olive Green #B1D27B ΔE 0.056
- Yellowy Green #BFF128 ΔE 0.066
- Greenish Tan #BCCB7A ΔE 0.068
- Pear #CBF85F ΔE 0.069
- Light Green #90EE90 ΔE 0.069
- Maize #F4D054 ΔE 0.070
Use #C5DE5B in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.