#91AA31
Closest named color: Pea Soup Green (#94A617). oklch(69.6% 0.146 120.6), rgb(145, 170, 49).
Aa
Black text reads best on this color (7.99:1).
About this color
#91AA31 is a medium-light, vivid yellow. In OKLCH its lightness is 70%, its chroma 0.146 and its hue 121°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pea Soup Green (#94A617), ΔE 0.014 away. Black text reads best on it, at 7.99:1.
| Hue family | Yellows |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.146) |
| Temperature | in between |
| Nearest name | Pea Soup Green (#94A617) |
| Black text | 7.99:1 |
| White text | 2.62:1 |
Values
| HEX | #91AA31 |
| RGB | rgb(145, 170, 49) |
| HSL | hsl(72, 55%, 43%) |
| OKLCH | oklch(69.6% 0.146 120.6) |
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 #91AA31 | 2.62:1 | Fails | Lc -56.2 | Large or bold text, headings |
| Black text on #91AA31 | 7.99:1 | AAA | Lc 52.9 | Large or bold text, headings |
| #91AA31 text on white | 2.62:1 | Fails | Lc 51.1 | Large or bold text, headings |
| #91AA31 text on black | 7.99:1 | AAA | Lc -50.8 | 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
#F4F7EE
oklch(97.1% 0.012 121.7)
-
Step 100
100
#E7EDDA
oklch(93.6% 0.026 121.2)
-
Step 200
200
#D4DFBA
oklch(88.6% 0.051 120.9)
-
Step 300
300
#B8CA87
oklch(80.9% 0.091 120.7)
-
Step 400
400 (this color)
#91AA31
oklch(69.6% 0.146 120.6)
-
Step 500
500
#7D9600
oklch(63.1% 0.151 120.8)
-
Step 600
600
#697E00
oklch(55.6% 0.133 120.6)
-
Step 700
700
#586A00
oklch(49.2% 0.117 120.6)
-
Step 800
800
#485700
oklch(42.9% 0.102 120.5)
-
Step 900
900
#3B4800
oklch(37.7% 0.09 120.7)
-
Step 950
950
#222B00
oklch(27.1% 0.065 121.1)
#91AA31 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) | #B5A01C | 0.054 |
| Deuteranopia (no green cones) | #B2A03B | 0.056 |
| Tritanopia (no blue cones) | #99A192 | 0.123 |
| Achromatopsia (no color) | #A0A0A0 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91AA31
#91AA31
oklch(69.6% 0.146 120.6)
- #AC86E9
#AC86E9
oklch(69.6% 0.145 300.4)
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 #91AA31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pea Soup Green #94A617 ΔE 0.014
- Icky Green #8FAE22 ΔE 0.016
- Pea Green #8EAB12 ΔE 0.017
- Avocado Green #87A922 ΔE 0.018
- Avocado #90B134 ΔE 0.019
- Leaf #71AA34 ΔE 0.039
- Asparagus #77AB56 ΔE 0.039
- Turtle Green #75B84F ΔE 0.045
Use #91AA31 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.