#91BA57
Closest named color: Light Olive Green (#A4BE5C). oklch(73.8% 0.136 128), rgb(145, 186, 87).
Aa
Black text reads best on this color (9.36:1).
About this color
#91BA57 is a medium-light, moderately saturated green. In OKLCH its lightness is 74%, its chroma 0.136 and its hue 128°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Olive Green (#A4BE5C), ΔE 0.028 away. Black text reads best on it, at 9.36:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.136) |
| Temperature | in between |
| Nearest name | Light Olive Green (#A4BE5C) |
| Black text | 9.36:1 |
| White text | 2.24:1 |
Values
| HEX | #91BA57 |
| RGB | rgb(145, 186, 87) |
| HSL | hsl(85, 42%, 54%) |
| OKLCH | oklch(73.8% 0.136 128) |
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 #91BA57 | 2.24:1 | Fails | Lc -48.9 | Large or bold text, headings |
| Black text on #91BA57 | 9.36:1 | AAA | Lc 59.9 | Large or bold text, headings |
| #91BA57 text on white | 2.24:1 | Fails | Lc 44.1 | Non-text elements, placeholder text |
| #91BA57 text on black | 9.36:1 | AAA | Lc -58.0 | 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
#B1CC90
oklch(81% 0.086 127.9)
-
Step 400
400 (this color)
#91BA57
oklch(73.8% 0.136 128)
-
Step 500
500
#6C9B00
oklch(63.2% 0.165 128)
-
Step 600
600
#5A8200
oklch(55.6% 0.145 128)
-
Step 700
700
#4B6D00
oklch(49% 0.128 127.9)
-
Step 800
800
#3D5A00
oklch(42.8% 0.112 128.1)
-
Step 900
900
#324B00
oklch(37.8% 0.099 128.2)
-
Step 950
950
#1C2C00
oklch(26.9% 0.07 127.9)
#91BA57 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) | #C2AF4E | 0.069 |
| Deuteranopia (no green cones) | #BCAC5D | 0.070 |
| Tritanopia (no blue cones) | #95B3A4 | 0.107 |
| Achromatopsia (no color) | #ADADAD | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91BA57
#91BA57
oklch(73.8% 0.136 128)
- #C291EC
#C291EC
oklch(73.7% 0.137 308.1)
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 #91BA57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Olive Green #A4BE5C ΔE 0.028
- Avocado #90B134 ΔE 0.033
- Turtle Green #75B84F ΔE 0.035
- Soft Green #6FC276 ΔE 0.042
- Light Olive #ACBF69 ΔE 0.044
- Icky Green #8FAE22 ΔE 0.045
- Tan Green #A9BE70 ΔE 0.045
- Bright Olive #9CBB04 ΔE 0.046
Use #91BA57 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.