#C5E278
Closest named color: Greenish Beige (#C9D179). oklch(86.9% 0.136 121.9), rgb(197, 226, 120).
Aa
Black text reads best on this color (14.52:1).
About this color
#C5E278 is a light, moderately saturated yellow. In OKLCH its lightness is 87%, its chroma 0.136 and its hue 122°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greenish Beige (#C9D179), ΔE 0.046 away. Black text reads best on it, at 14.52:1.
| Hue family | Yellows |
| Lightness | light (87%) |
| Chroma | moderately saturated (0.136) |
| Temperature | in between |
| Nearest name | Greenish Beige (#C9D179) |
| Black text | 14.52:1 |
| White text | 1.44:1 |
Values
| HEX | #C5E278 |
| RGB | rgb(197, 226, 120) |
| HSL | hsl(76, 65%, 68%) |
| OKLCH | oklch(86.9% 0.136 121.9) |
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 #C5E278 | 1.44:1 | Fails | Lc -24.1 | Dividers and decoration only |
| Black text on #C5E278 | 14.52:1 | AAA | Lc 82.5 | Fine for body text |
| #C5E278 text on white | 1.44:1 | Fails | Lc 21.2 | Dividers and decoration only |
| #C5E278 text on black | 14.52:1 | AAA | Lc -82.1 | 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
#F3F8E7
oklch(97.1% 0.023 120.2)
-
Step 100
100
#E4F0CB
oklch(93.7% 0.05 122)
-
Step 200
200 (this color)
#C5E278
oklch(86.9% 0.136 121.9)
-
Step 300
300
#AED139
oklch(80.8% 0.176 121.9)
-
Step 400
400
#90B000
oklch(70.8% 0.171 121.8)
-
Step 500
500
#7B9700
oklch(63.2% 0.153 121.9)
-
Step 600
600
#677F00
oklch(55.7% 0.135 121.9)
-
Step 700
700
#566A00
oklch(49% 0.118 121.7)
-
Step 800
800
#465700
oklch(42.7% 0.103 121.8)
-
Step 900
900
#3A4900
oklch(37.9% 0.092 122)
-
Step 950
950
#212B00
oklch(27% 0.066 122.2)
#C5E278 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) | #EDD76F | 0.057 |
| Deuteranopia (no green cones) | #E9D77E | 0.057 |
| Tritanopia (no blue cones) | #CDD9C9 | 0.112 |
| Achromatopsia (no color) | #D7D7D7 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C5E278
#C5E278
oklch(86.9% 0.136 121.9)
- #DDC8FF
#DDC8FF
oklch(86.8% 0.078 302.2)
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 #C5E278, closest first.
No curated palette has a color within ΔE 0.04 of #C5E278.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenish Beige #C9D179 ΔE 0.046
- Light Grey Green #B7E1A1 ΔE 0.048
- Pale Olive Green #B1D27B ΔE 0.053
- Dull Yellow #EEDC5B ΔE 0.055
- Light Sage #BCECAC ΔE 0.056
- Washed Out Green #BCF5A6 ΔE 0.058
- Light Green #90EE90 ΔE 0.059
- Pistachio #C0FA8B ΔE 0.060
Use #C5E278 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.