#91C259
Closest named color: Light Olive Green (#A4BE5C). oklch(75.7% 0.145 130), rgb(145, 194, 89).
Aa
Black text reads best on this color (10.06:1).
About this color
#91C259 is a medium-light, vivid green. In OKLCH its lightness is 76%, its chroma 0.145 and its hue 130°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Olive Green (#A4BE5C), ΔE 0.026 away. Black text reads best on it, at 10.06:1.
| Hue family | Greens |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Light Olive Green (#A4BE5C) |
| Black text | 10.06:1 |
| White text | 2.08:1 |
Values
| HEX | #91C259 |
| RGB | rgb(145, 194, 89) |
| HSL | hsl(88, 46%, 55%) |
| OKLCH | oklch(75.7% 0.145 130) |
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 #91C259 | 2.08:1 | Fails | Lc -45.3 | Large or bold text, headings |
| Black text on #91C259 | 10.06:1 | AAA | Lc 63.3 | Content text, not long reading |
| #91C259 text on white | 2.08:1 | Fails | Lc 40.7 | Non-text elements, placeholder text |
| #91C259 text on black | 10.06:1 | AAA | Lc -61.6 | 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 400.
-
Step 50
50
#F3F7EF
oklch(97.1% 0.011 128.6)
-
Step 100
100
#E4EEDC
oklch(93.7% 0.026 130.9)
-
Step 200
200
#CEE0BE
oklch(88.4% 0.05 130.2)
-
Step 300
300
#ADCD8E
oklch(80.9% 0.092 130.1)
-
Step 400
400 (this color)
#91C259
oklch(75.7% 0.145 130)
-
Step 500
500
#669C00
oklch(63% 0.17 129.9)
-
Step 600
600
#558300
oklch(55.5% 0.149 129.9)
-
Step 700
700
#476E00
oklch(49% 0.131 129.8)
-
Step 800
800
#395A00
oklch(42.6% 0.114 129.9)
-
Step 900
900
#2F4B00
oklch(37.6% 0.101 129.8)
-
Step 950
950
#1A2D00
oklch(27% 0.073 130.1)
#91C259 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) | #CAB64F | 0.078 |
| Deuteranopia (no green cones) | #C3B260 | 0.079 |
| Tritanopia (no blue cones) | #94BBAB | 0.112 |
| Achromatopsia (no color) | #B3B3B3 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91C259
#91C259
oklch(75.7% 0.145 130)
- #CC94F4
#CC94F4
oklch(75.6% 0.145 310.1)
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 #91C259, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Olive Green #A4BE5C ΔE 0.026
- Pea #A4BF20 ΔE 0.039
- Light Olive #ACBF69 ΔE 0.042
- Soft Green #6FC276 ΔE 0.043
- Bright Olive #9CBB04 ΔE 0.043
- Light Moss Green #A6C875 ΔE 0.044
- Tan Green #A9BE70 ΔE 0.045
- Turtle Green #75B84F ΔE 0.046
Use #91C259 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.