#91AE23
Closest named color: Icky Green (#8FAE22). oklch(70.5% 0.159 121.4), rgb(145, 174, 35).
Aa
Black text reads best on this color (8.28:1).
About this color
#91AE23 is a medium-light, vivid yellow. In OKLCH its lightness is 70%, its chroma 0.159 and its hue 121°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Icky Green (#8FAE22), ΔE 0.003 away. Black text reads best on it, at 8.28:1.
| Hue family | Yellows |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.159) |
| Temperature | in between |
| Nearest name | Icky Green (#8FAE22) |
| Black text | 8.28:1 |
| White text | 2.53:1 |
Values
| HEX | #91AE23 |
| RGB | rgb(145, 174, 35) |
| HSL | hsl(73, 67%, 41%) |
| OKLCH | oklch(70.5% 0.159 121.4) |
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 #91AE23 | 2.53:1 | Fails | Lc -54.6 | Large or bold text, headings |
| Black text on #91AE23 | 8.28:1 | AAA | Lc 54.5 | Large or bold text, headings |
| #91AE23 text on white | 2.53:1 | Fails | Lc 49.5 | Large or bold text, headings |
| #91AE23 text on black | 8.28:1 | AAA | Lc -52.4 | 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
#F4F7ED
oklch(97.1% 0.014 120.3)
-
Step 100
100
#E7EDD8
oklch(93.6% 0.029 119.9)
-
Step 200
200
#D3DFB7
oklch(88.4% 0.055 121.1)
-
Step 300
300
#B6CB82
oklch(80.9% 0.099 121.7)
-
Step 400
400 (this color)
#91AE23
oklch(70.5% 0.159 121.4)
-
Step 500
500
#7C9600
oklch(63% 0.151 121.2)
-
Step 600
600
#687E00
oklch(55.5% 0.133 121.1)
-
Step 700
700
#576A00
oklch(49.1% 0.118 121.1)
-
Step 800
800
#475700
oklch(42.8% 0.103 121.1)
-
Step 900
900
#3A4800
oklch(37.6% 0.091 121.4)
-
Step 950
950
#222B00
oklch(27.1% 0.065 121.1)
#91AE23 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) | #B9A300 | 0.060 |
| Deuteranopia (no green cones) | #B5A331 | 0.061 |
| Tritanopia (no blue cones) | #99A595 | 0.134 |
| Achromatopsia (no color) | #A3A3A3 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91AE23
#91AE23
oklch(70.5% 0.159 121.4)
- #B285F2
#B285F2
oklch(70.4% 0.16 301.5)
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 #91AE23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Icky Green #8FAE22 ΔE 0.003
- Avocado #90B134 ΔE 0.011
- Pea Green #8EAB12 ΔE 0.011
- Avocado Green #87A922 ΔE 0.020
- Pea Soup Green #94A617 ΔE 0.021
- Dark Lime #84B701 ΔE 0.033
- Mustard Green #A8B504 ΔE 0.039
- Turtle Green #75B84F ΔE 0.040
Use #91AE23 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.