#91CF64
Closest named color: Yellow Green (#9ACD32). oklch(78.9% 0.153 133.6), rgb(145, 207, 100).
Aa
Black text reads best on this color (11.31:1).
About this color
#91CF64 is a light, vivid green. In OKLCH its lightness is 79%, its chroma 0.153 and its hue 134°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Yellow Green (#9ACD32), ΔE 0.037 away. Black text reads best on it, at 11.31:1.
| Hue family | Greens |
| Lightness | light (79%) |
| Chroma | vivid (0.153) |
| Temperature | in between |
| Nearest name | Yellow Green (#9ACD32) |
| Black text | 11.31:1 |
| White text | 1.85:1 |
Values
| HEX | #91CF64 |
| RGB | rgb(145, 207, 100) |
| HSL | hsl(95, 53%, 60%) |
| OKLCH | oklch(78.9% 0.153 133.6) |
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 #91CF64 | 1.85:1 | Fails | Lc -39.0 | Non-text elements, placeholder text |
| Black text on #91CF64 | 11.31:1 | AAA | Lc 69.0 | Content text, not long reading |
| #91CF64 text on white | 1.85:1 | Fails | Lc 34.9 | Non-text elements, placeholder text |
| #91CF64 text on black | 11.31:1 | AAA | Lc -67.7 | 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
#F0F9EB
oklch(97.2% 0.021 134.1)
-
Step 100
100
#DEF1D3
oklch(93.6% 0.045 133.9)
-
Step 200
200
#C3E6AD
oklch(88.5% 0.085 133.6)
-
Step 300
300 (this color)
#91CF64
oklch(78.9% 0.153 133.6)
-
Step 400
400
#68B900
oklch(70.6% 0.201 133.7)
-
Step 500
500
#599F00
oklch(63.1% 0.18 133.6)
-
Step 600
600
#4A8600
oklch(55.7% 0.159 133.6)
-
Step 700
700
#3D7000
oklch(49% 0.14 133.6)
-
Step 800
800
#315C00
oklch(42.6% 0.122 133.6)
-
Step 900
900
#284D00
oklch(37.7% 0.108 133.7)
-
Step 950
950
#162E00
oklch(27.1% 0.077 133.4)
#91CF64 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) | #D6C15A | 0.092 |
| Deuteranopia (no green cones) | #CDBC6B | 0.092 |
| Tritanopia (no blue cones) | #91C8B7 | 0.113 |
| Achromatopsia (no color) | #BEBEBE | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91CF64
#91CF64
oklch(78.9% 0.153 133.6)
- #DD9BFF
#DD9BFF
oklch(78.9% 0.153 313.5)
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 #91CF64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Yellow Green #9ACD32 ΔE 0.037
- Light Moss Green #A6C875 ΔE 0.041
- Light Olive Green #A4BE5C ΔE 0.047
- Pale Olive Green #B1D27B ΔE 0.050
- Slime Green #99CC04 ΔE 0.051
- Pea #A4BF20 ΔE 0.053
- Fresh Green #69D84F ΔE 0.053
- Light Olive #ACBF69 ΔE 0.055
Use #91CF64 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.