#91CB4E
Closest named color: Yellow Green (#9ACD32). oklch(77.7% 0.167 130.5), rgb(145, 203, 78).
Aa
Black text reads best on this color (10.85:1).
About this color
#91CB4E is a medium-light, vivid green. In OKLCH its lightness is 78%, its chroma 0.167 and its hue 131°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Yellow Green (#9ACD32), ΔE 0.022 away. Black text reads best on it, at 10.85:1.
| Hue family | Greens |
| Lightness | medium-light (78%) |
| Chroma | vivid (0.167) |
| Temperature | in between |
| Nearest name | Yellow Green (#9ACD32) |
| Black text | 10.85:1 |
| White text | 1.93:1 |
Values
| HEX | #91CB4E |
| RGB | rgb(145, 203, 78) |
| HSL | hsl(88, 55%, 55%) |
| OKLCH | oklch(77.7% 0.167 130.5) |
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 #91CB4E | 1.93:1 | Fails | Lc -41.2 | Non-text elements, placeholder text |
| Black text on #91CB4E | 10.85:1 | AAA | Lc 67.0 | Content text, not long reading |
| #91CB4E text on white | 1.93:1 | Fails | Lc 36.9 | Non-text elements, placeholder text |
| #91CB4E text on black | 10.85:1 | AAA | Lc -65.5 | Content text, not long reading |
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 300.
-
Step 50
50
#F0F9E9
oklch(97.1% 0.023 131.1)
-
Step 100
100
#DFF1D0
oklch(93.6% 0.048 130.8)
-
Step 200
200
#C4E6A5
oklch(88.4% 0.093 130.6)
-
Step 300
300 (this color)
#91CB4E
oklch(77.7% 0.167 130.5)
-
Step 400
400
#76B700
oklch(70.8% 0.192 130.5)
-
Step 500
500
#649D00
oklch(63.2% 0.172 130.7)
-
Step 600
600
#548400
oklch(55.7% 0.151 130.4)
-
Step 700
700
#456F00
oklch(49.2% 0.134 130.8)
-
Step 800
800
#385B00
oklch(42.8% 0.116 130.7)
-
Step 900
900
#2E4C00
oklch(37.8% 0.103 130.7)
-
Step 950
950
#1A2D00
oklch(27% 0.073 130.1)
#91CB4E 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) | #D4BD3F | 0.090 |
| Deuteranopia (no green cones) | #CCB957 | 0.091 |
| Tritanopia (no blue cones) | #94C3B1 | 0.128 |
| Achromatopsia (no color) | #BABABA | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91CB4E
#91CB4E
oklch(77.7% 0.167 130.5)
- #D598FF
#D598FF
oklch(77.6% 0.155 310.4)
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 #91CB4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Yellow Green #9ACD32 ΔE 0.022
- Slime Green #99CC04 ΔE 0.034
- Pea #A4BF20 ΔE 0.037
- Apple #6ECB3C ΔE 0.042
- Apple Green #76CD26 ΔE 0.044
- Bright Olive #9CBB04 ΔE 0.046
- Light Olive Green #A4BE5C ΔE 0.047
- Fresh Green #69D84F ΔE 0.049
Use #91CB4E 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.