#91CC5B
Closest named color: Yellow Green (#9ACD32). oklch(78.1% 0.157 132), rgb(145, 204, 91).
Aa
Black text reads best on this color (10.99:1).
About this color
#91CC5B is a light, vivid green. In OKLCH its lightness is 78%, its chroma 0.157 and its hue 132°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Yellow Green (#9ACD32), ΔE 0.031 away. Black text reads best on it, at 10.99:1.
| Hue family | Greens |
| Lightness | light (78%) |
| Chroma | vivid (0.157) |
| Temperature | in between |
| Nearest name | Yellow Green (#9ACD32) |
| Black text | 10.99:1 |
| White text | 1.91:1 |
Values
| HEX | #91CC5B |
| RGB | rgb(145, 204, 91) |
| HSL | hsl(91, 53%, 58%) |
| OKLCH | oklch(78.1% 0.157 132) |
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 #91CC5B | 1.91:1 | Fails | Lc -40.6 | Non-text elements, placeholder text |
| Black text on #91CC5B | 10.99:1 | AAA | Lc 67.6 | Content text, not long reading |
| #91CC5B text on white | 1.91:1 | Fails | Lc 36.3 | Non-text elements, placeholder text |
| #91CC5B text on black | 10.99:1 | AAA | Lc -66.2 | 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
#F0F9EA
oklch(97.1% 0.022 132.5)
-
Step 100
100
#DFF1D2
oklch(93.7% 0.045 132)
-
Step 200
200
#C4E6AA
oklch(88.5% 0.087 132)
-
Step 300
300 (this color)
#91CC5B
oklch(78.1% 0.157 132)
-
Step 400
400
#70B800
oklch(70.7% 0.196 132)
-
Step 500
500
#5F9E00
oklch(63.2% 0.176 132.1)
-
Step 600
600
#4F8500
oklch(55.7% 0.155 132.1)
-
Step 700
700
#427000
oklch(49.3% 0.137 132)
-
Step 800
800
#355B00
oklch(42.6% 0.118 131.9)
-
Step 900
900
#2B4C00
oklch(37.6% 0.105 132.1)
-
Step 950
950
#182D00
oklch(26.9% 0.074 131.6)
#91CC5B 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) | #D4BE50 | 0.090 |
| Deuteranopia (no green cones) | #CBBA63 | 0.090 |
| Tritanopia (no blue cones) | #93C5B3 | 0.117 |
| Achromatopsia (no color) | #BBBBBB | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91CC5B
#91CC5B
oklch(78.1% 0.157 132)
- #D998FF
#D998FF
oklch(78% 0.156 312.2)
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 #91CC5B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Yellow Green #9ACD32 ΔE 0.031
- Light Olive Green #A4BE5C ΔE 0.043
- Light Moss Green #A6C875 ΔE 0.044
- Pea #A4BF20 ΔE 0.044
- Slime Green #99CC04 ΔE 0.044
- Apple #6ECB3C ΔE 0.049
- Fresh Green #69D84F ΔE 0.053
- Apple Green #76CD26 ΔE 0.053
Use #91CC5B 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.