#90BC31
Closest named color: Bright Olive (#9CBB04). oklch(73.8% 0.169 125.9), rgb(144, 188, 49).
Aa
Black text reads best on this color (9.42:1).
About this color
#90BC31 is a medium-light, vivid green. In OKLCH its lightness is 74%, its chroma 0.169 and its hue 126°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bright Olive (#9CBB04), ΔE 0.018 away. Black text reads best on it, at 9.42:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.169) |
| Temperature | in between |
| Nearest name | Bright Olive (#9CBB04) |
| Black text | 9.42:1 |
| White text | 2.22:1 |
Values
| HEX | #90BC31 |
| RGB | rgb(144, 188, 49) |
| HSL | hsl(79, 59%, 46%) |
| OKLCH | oklch(73.8% 0.169 125.9) |
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 #90BC31 | 2.22:1 | Fails | Lc -48.5 | Large or bold text, headings |
| Black text on #90BC31 | 9.42:1 | AAA | Lc 60.2 | Content text, not long reading |
| #90BC31 text on white | 2.22:1 | Fails | Lc 43.7 | Non-text elements, placeholder text |
| #90BC31 text on black | 9.42:1 | AAA | Lc -58.4 | 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
#F3F7ED
oklch(97% 0.014 124.6)
-
Step 100
100
#E5EED8
oklch(93.6% 0.031 125.2)
-
Step 200
200
#CFE1B7
oklch(88.5% 0.059 126.5)
-
Step 300
300
#B0CD81
oklch(80.9% 0.105 125.7)
-
Step 400
400 (this color)
#90BC31
oklch(73.8% 0.169 125.9)
-
Step 500
500
#719900
oklch(63% 0.16 126)
-
Step 600
600
#5F8100
oklch(55.7% 0.141 125.9)
-
Step 700
700
#4F6C00
oklch(49% 0.125 125.9)
-
Step 800
800
#405900
oklch(42.8% 0.109 126.1)
-
Step 900
900
#354A00
oklch(37.7% 0.096 125.9)
-
Step 950
950
#1E2C00
oklch(27% 0.069 126.1)
#90BC31 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) | #C6AF14 | 0.076 |
| Deuteranopia (no green cones) | #C0AD3E | 0.078 |
| Tritanopia (no blue cones) | #96B3A1 | 0.136 |
| Achromatopsia (no color) | #AEAEAE | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90BC31
#90BC31
oklch(73.8% 0.169 125.9)
- #C58BFD
#C58BFD
oklch(73.8% 0.168 306.2)
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 #90BC31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Olive #9CBB04 ΔE 0.018
- Dark Lime #84B701 ΔE 0.027
- Pea #A4BF20 ΔE 0.027
- Dark Lime Green #7EBD01 ΔE 0.030
- Avocado #90B134 ΔE 0.031
- Mustard Green #A8B504 ΔE 0.032
- Icky Green #8FAE22 ΔE 0.038
- Turtle Green #75B84F ΔE 0.039
Use #90BC31 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.