#91BB59
Closest named color: Light Olive Green (#A4BE5C). oklch(74% 0.135 128.5), rgb(145, 187, 89).
Aa
Black text reads best on this color (9.45:1).
About this color
#91BB59 is a medium-light, moderately saturated green. In OKLCH its lightness is 74%, its chroma 0.135 and its hue 129°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Olive Green (#A4BE5C), ΔE 0.027 away. Black text reads best on it, at 9.45:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Light Olive Green (#A4BE5C) |
| Black text | 9.45:1 |
| White text | 2.22:1 |
Values
| HEX | #91BB59 |
| RGB | rgb(145, 187, 89) |
| HSL | hsl(86, 42%, 54%) |
| OKLCH | oklch(74% 0.135 128.5) |
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 #91BB59 | 2.22:1 | Fails | Lc -48.4 | Large or bold text, headings |
| Black text on #91BB59 | 9.45:1 | AAA | Lc 60.3 | Content text, not long reading |
| #91BB59 text on white | 2.22:1 | Fails | Lc 43.6 | Non-text elements, placeholder text |
| #91BB59 text on black | 9.45:1 | AAA | Lc -58.5 | Large or bold text, headings |
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
#E5EDDC
oklch(93.5% 0.024 127.6)
-
Step 200
200
#D0E0BF
oklch(88.6% 0.047 128.5)
-
Step 300
300
#B0CC91
oklch(81% 0.085 128.8)
-
Step 400
400 (this color)
#91BB59
oklch(74% 0.135 128.5)
-
Step 500
500
#6A9B00
oklch(63% 0.166 128.6)
-
Step 600
600
#598200
oklch(55.5% 0.146 128.3)
-
Step 700
700
#4A6E00
oklch(49.2% 0.13 128.6)
-
Step 800
800
#3C5A00
oklch(42.8% 0.113 128.5)
-
Step 900
900
#314B00
oklch(37.7% 0.1 128.7)
-
Step 950
950
#1C2D00
oklch(27.2% 0.072 128.5)
#91BB59 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) | #C3B050 | 0.070 |
| Deuteranopia (no green cones) | #BDAD5F | 0.071 |
| Tritanopia (no blue cones) | #95B4A5 | 0.106 |
| Achromatopsia (no color) | #AEAEAE | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91BB59
#91BB59
oklch(74% 0.135 128.5)
- #C392EC
#C392EC
oklch(74% 0.136 308.4)
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 #91BB59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Olive Green #A4BE5C ΔE 0.027
- Avocado #90B134 ΔE 0.036
- Turtle Green #75B84F ΔE 0.037
- Soft Green #6FC276 ΔE 0.041
- Light Olive #ACBF69 ΔE 0.043
- Tan Green #A9BE70 ΔE 0.043
- Lichen #8FB67B ΔE 0.046
- Pea #A4BF20 ΔE 0.047
Use #91BB59 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.