#90B40E
Closest named color: Dark Lime (#84B701). oklch(71.7% 0.173 123), rgb(144, 180, 14).
Aa
Black text reads best on this color (8.72:1).
About this color
#90B40E is a medium-light, vivid yellow. In OKLCH its lightness is 72%, its chroma 0.173 and its hue 123°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Lime (#84B701), ΔE 0.017 away. Black text reads best on it, at 8.72:1.
| Hue family | Yellows |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.173) |
| Temperature | in between |
| Nearest name | Dark Lime (#84B701) |
| Black text | 8.72:1 |
| White text | 2.40:1 |
Values
| HEX | #90B40E |
| RGB | rgb(144, 180, 14) |
| HSL | hsl(73, 86%, 38%) |
| OKLCH | oklch(71.7% 0.173 123) |
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 #90B40E | 2.40:1 | Fails | Lc -52.2 | Large or bold text, headings |
| Black text on #90B40E | 8.72:1 | AAA | Lc 56.8 | Large or bold text, headings |
| #90B40E text on white | 2.40:1 | Fails | Lc 47.2 | Large or bold text, headings |
| #90B40E text on black | 8.72:1 | AAA | Lc -54.8 | 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
#F3F7ED
oklch(97% 0.014 124.6)
-
Step 100
100
#E6EED7
oklch(93.7% 0.032 122.7)
-
Step 200
200
#D1E0B5
oklch(88.4% 0.059 123.2)
-
Step 300
300
#B3CC7C
oklch(80.8% 0.108 123)
-
Step 400
400 (this color)
#90B40E
oklch(71.7% 0.173 123)
-
Step 500
500
#789700
oklch(63% 0.154 123)
-
Step 600
600
#657F00
oklch(55.6% 0.136 122.8)
-
Step 700
700
#546B00
oklch(49.1% 0.121 123.1)
-
Step 800
800
#445800
oklch(42.8% 0.106 123.5)
-
Step 900
900
#394900
oklch(37.8% 0.092 122.7)
-
Step 950
950
#202B00
oklch(26.9% 0.066 123.3)
#90B40E 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) | #BFA800 | 0.071 |
| Deuteranopia (no green cones) | #BBA727 | 0.071 |
| Tritanopia (no blue cones) | #98AA99 | 0.145 |
| Achromatopsia (no color) | #A7A7A7 | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90B40E
#90B40E
oklch(71.7% 0.173 123)
- #BA85FC
#BA85FC
oklch(71.7% 0.174 302.8)
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 #90B40E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Lime #84B701 ΔE 0.017
- Icky Green #8FAE22 ΔE 0.020
- Avocado #90B134 ΔE 0.021
- Pea Green #8EAB12 ΔE 0.025
- Bright Olive #9CBB04 ΔE 0.026
- Dark Lime Green #7EBD01 ΔE 0.032
- Mustard Green #A8B504 ΔE 0.032
- Avocado Green #87A922 ΔE 0.035
Use #90B40E 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.