#91B440
Closest named color: Avocado (#90B134). oklch(72.1% 0.148 124.4), rgb(145, 180, 64).
Aa
Black text reads best on this color (8.80:1).
About this color
#91B440 is a medium-light, vivid yellow. In OKLCH its lightness is 72%, its chroma 0.148 and its hue 124°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Avocado (#90B134), ΔE 0.011 away. Black text reads best on it, at 8.80:1.
| Hue family | Yellows |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Avocado (#90B134) |
| Black text | 8.80:1 |
| White text | 2.38:1 |
Values
| HEX | #91B440 |
| RGB | rgb(145, 180, 64) |
| HSL | hsl(78, 48%, 48%) |
| OKLCH | oklch(72.1% 0.148 124.4) |
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 #91B440 | 2.38:1 | Fails | Lc -51.8 | Large or bold text, headings |
| Black text on #91B440 | 8.80:1 | AAA | Lc 57.1 | Large or bold text, headings |
| #91B440 text on white | 2.38:1 | Fails | Lc 46.9 | Large or bold text, headings |
| #91B440 text on black | 8.80:1 | AAA | Lc -55.2 | 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
#F3F7EE
oklch(97.1% 0.013 126.4)
-
Step 100
100
#E6EDDA
oklch(93.6% 0.026 123.4)
-
Step 200
200
#D2E0BB
oklch(88.6% 0.052 124.3)
-
Step 300
300
#B4CB89
oklch(80.9% 0.092 124)
-
Step 400
400 (this color)
#91B440
oklch(72.1% 0.148 124.4)
-
Step 500
500
#759800
oklch(63% 0.157 124.4)
-
Step 600
600
#628000
oklch(55.6% 0.139 124.4)
-
Step 700
700
#526C00
oklch(49.2% 0.123 124.5)
-
Step 800
800
#425800
oklch(42.6% 0.107 124.6)
-
Step 900
900
#374900
oklch(37.6% 0.094 124.1)
-
Step 950
950
#1F2C00
oklch(27.1% 0.068 125.1)
#91B440 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) | #BEA931 | 0.065 |
| Deuteranopia (no green cones) | #B9A749 | 0.067 |
| Tritanopia (no blue cones) | #97AC9C | 0.120 |
| Achromatopsia (no color) | #A8A8A8 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91B440
#91B440
oklch(72.1% 0.148 124.4)
- #BA8BEF
#BA8BEF
oklch(72.1% 0.148 304.6)
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 #91B440, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Avocado #90B134 ΔE 0.011
- Icky Green #8FAE22 ΔE 0.022
- Turtle Green #75B84F ΔE 0.031
- Pea Green #8EAB12 ΔE 0.031
- Mustard Green #A8B504 ΔE 0.036
- Avocado Green #87A922 ΔE 0.037
- Bright Olive #9CBB04 ΔE 0.038
- Dark Lime #84B701 ΔE 0.038
Use #91B440 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.