#91AE51
Closest named color: Avocado (#90B134). oklch(70.9% 0.125 123.9), rgb(145, 174, 81).
Aa
Black text reads best on this color (8.37:1).
About this color
#91AE51 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 71%, its chroma 0.125 and its hue 124°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Avocado (#90B134), ΔE 0.028 away. Black text reads best on it, at 8.37:1.
| Hue family | Yellows |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Avocado (#90B134) |
| Black text | 8.37:1 |
| White text | 2.50:1 |
Values
| HEX | #91AE51 |
| RGB | rgb(145, 174, 81) |
| HSL | hsl(79, 36%, 50%) |
| OKLCH | oklch(70.9% 0.125 123.9) |
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 #91AE51 | 2.50:1 | Fails | Lc -54.2 | Large or bold text, headings |
| Black text on #91AE51 | 8.37:1 | AAA | Lc 54.9 | Large or bold text, headings |
| #91AE51 text on white | 2.50:1 | Fails | Lc 49.1 | Large or bold text, headings |
| #91AE51 text on black | 8.37:1 | AAA | Lc -52.8 | 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
#F4F7EF
oklch(97.2% 0.011 123.5)
-
Step 100
100
#E6EDDC
oklch(93.6% 0.024 125.2)
-
Step 200
200
#D3DEBF
oklch(88.4% 0.043 123.2)
-
Step 300
300
#B6CA92
oklch(81% 0.078 124.1)
-
Step 400
400 (this color)
#91AE51
oklch(70.9% 0.125 123.9)
-
Step 500
500
#769800
oklch(63.1% 0.157 124)
-
Step 600
600
#638000
oklch(55.7% 0.138 124)
-
Step 700
700
#536B00
oklch(49% 0.121 123.6)
-
Step 800
800
#435800
oklch(42.7% 0.106 124.1)
-
Step 900
900
#374900
oklch(37.6% 0.094 124.1)
-
Step 950
950
#202B01
oklch(26.9% 0.065 123.5)
#91AE51 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) | #B7A448 | 0.056 |
| Deuteranopia (no green cones) | #B3A357 | 0.057 |
| Tritanopia (no blue cones) | #97A799 | 0.101 |
| Achromatopsia (no color) | #A4A4A4 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91AE51
#91AE51
oklch(70.9% 0.125 123.9)
- #B28DE0
#B28DE0
oklch(70.9% 0.124 303.9)
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 #91AE51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Avocado #90B134 ΔE 0.028
- Asparagus #77AB56 ΔE 0.034
- Icky Green #8FAE22 ΔE 0.036
- Sage #87AE73 ΔE 0.039
- Pea Soup Green #94A617 ΔE 0.039
- Avocado Green #87A922 ΔE 0.040
- Faded Green #7BB274 ΔE 0.041
- Pea Green #8EAB12 ΔE 0.041
Use #91AE51 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.