#90B437
Closest named color: Avocado (#90B134). oklch(71.9% 0.155 124.2), rgb(144, 180, 55).
Aa
Black text reads best on this color (8.76:1).
About this color
#90B437 is a medium-light, vivid yellow. In OKLCH its lightness is 72%, its chroma 0.155 and its hue 124°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Avocado (#90B134), ΔE 0.008 away. Black text reads best on it, at 8.76:1.
| Hue family | Yellows |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Avocado (#90B134) |
| Black text | 8.76:1 |
| White text | 2.39:1 |
Values
| HEX | #90B437 |
| RGB | rgb(144, 180, 55) |
| HSL | hsl(77, 53%, 46%) |
| OKLCH | oklch(71.9% 0.155 124.2) |
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 #90B437 | 2.39:1 | Fails | Lc -52.0 | Large or bold text, headings |
| Black text on #90B437 | 8.76:1 | AAA | Lc 56.9 | Large or bold text, headings |
| #90B437 text on white | 2.39:1 | Fails | Lc 47.0 | Large or bold text, headings |
| #90B437 text on black | 8.76:1 | AAA | Lc -55.0 | 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
#F3F7EE
oklch(97.1% 0.013 126.4)
-
Step 100
100
#E6EDD9
oklch(93.5% 0.028 122.7)
-
Step 200
200
#D1E0B9
oklch(88.5% 0.054 124.6)
-
Step 300
300
#B3CC86
oklch(81% 0.097 124.5)
-
Step 400
400 (this color)
#90B437
oklch(71.9% 0.155 124.2)
-
Step 500
500
#769800
oklch(63.1% 0.157 124)
-
Step 600
600
#628000
oklch(55.6% 0.139 124.4)
-
Step 700
700
#526B00
oklch(49% 0.122 124.1)
-
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
#202C00
oklch(27.2% 0.068 124.1)
#90B437 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) | #BEA923 | 0.066 |
| Deuteranopia (no green cones) | #B9A741 | 0.068 |
| Tritanopia (no blue cones) | #97AB9B | 0.127 |
| Achromatopsia (no color) | #A7A7A7 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90B437
#90B437
oklch(71.9% 0.155 124.2)
- #BA89F2
#BA89F2
oklch(71.9% 0.155 304.3)
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 #90B437, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Avocado #90B134 ΔE 0.008
- Icky Green #8FAE22 ΔE 0.018
- Pea Green #8EAB12 ΔE 0.027
- Dark Lime #84B701 ΔE 0.031
- Turtle Green #75B84F ΔE 0.031
- Bright Olive #9CBB04 ΔE 0.033
- Mustard Green #A8B504 ΔE 0.034
- Avocado Green #87A922 ΔE 0.034
Use #90B437 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.