#CFF27A
Closest named color: Pistachio (#C0FA8B). oklch(91.1% 0.152 122.9), rgb(207, 242, 122).
Aa
Black text reads best on this color (16.63:1).
About this color
#CFF27A is a very light, vivid yellow. In OKLCH its lightness is 91%, its chroma 0.152 and its hue 123°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pistachio (#C0FA8B), ΔE 0.025 away. Black text reads best on it, at 16.63:1.
| Hue family | Yellows |
| Lightness | very light (91%) |
| Chroma | vivid (0.152) |
| Temperature | in between |
| Nearest name | Pistachio (#C0FA8B) |
| Black text | 16.63:1 |
| White text | 1.26:1 |
Values
| HEX | #CFF27A |
| RGB | rgb(207, 242, 122) |
| HSL | hsl(78, 82%, 71%) |
| OKLCH | oklch(91.1% 0.152 122.9) |
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 #CFF27A | 1.26:1 | Fails | Lc -15.0 | Not readable |
| Black text on #CFF27A | 16.63:1 | AAA | Lc 90.7 | Preferred for body text |
| #CFF27A text on white | 1.26:1 | Fails | Lc 12.9 | Not readable |
| #CFF27A text on black | 16.63:1 | AAA | Lc -91.0 | Preferred 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 100.
-
Step 50
50
#F2F9E6
oklch(97.2% 0.026 123.4)
-
Step 100
100 (this color)
#CFF27A
oklch(91.1% 0.152 122.9)
-
Step 200
200
#CCE594
oklch(88.5% 0.108 122.6)
-
Step 300
300
#AAD310
oklch(80.8% 0.195 122.8)
-
Step 400
400
#8DB100
oklch(70.8% 0.174 123)
-
Step 500
500
#799700
oklch(63% 0.154 122.6)
-
Step 600
600
#657F00
oklch(55.6% 0.136 122.8)
-
Step 700
700
#546B00
oklch(49.1% 0.121 123.1)
-
Step 800
800
#455700
oklch(42.6% 0.104 122.4)
-
Step 900
900
#394900
oklch(37.8% 0.092 122.7)
-
Step 950
950
#212B00
oklch(27% 0.066 122.2)
#CFF27A 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) | #FEE66F | 0.065 |
| Deuteranopia (no green cones) | #F9E581 | 0.065 |
| Tritanopia (no blue cones) | #D7E8D6 | 0.124 |
| Achromatopsia (no color) | #E5E5E5 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CFF27A
#CFF27A
oklch(91.1% 0.152 122.9)
- #E8DAFF
#E8DAFF
oklch(91.1% 0.052 302.6)
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 #CFF27A, closest first.
No curated palette has a color within ΔE 0.04 of #CFF27A.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pistachio #C0FA8B ΔE 0.025
- Light Yellow Green #CCFD7F ΔE 0.028
- Light Pea Green #C4FE82 ΔE 0.031
- Celery #C1FD95 ΔE 0.033
- Pear #CBF85F ΔE 0.033
- Pale Lime #BEFD73 ΔE 0.037
- Pale Light Green #B1FC99 ΔE 0.042
- Pastel Green #B0FF9D ΔE 0.047
Use #CFF27A 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.