#90C645
Closest named color: Yellow Green (#9ACD32). oklch(76.3% 0.168 129.2), rgb(144, 198, 69).
Aa
Black text reads best on this color (10.34:1).
About this color
#90C645 is a medium-light, vivid green. In OKLCH its lightness is 76%, its chroma 0.168 and its hue 129°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Yellow Green (#9ACD32), ΔE 0.028 away. Black text reads best on it, at 10.34:1.
| Hue family | Greens |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.168) |
| Temperature | in between |
| Nearest name | Yellow Green (#9ACD32) |
| Black text | 10.34:1 |
| White text | 2.02:1 |
Values
| HEX | #90C645 |
| RGB | rgb(144, 198, 69) |
| HSL | hsl(85, 53%, 52%) |
| OKLCH | oklch(76.3% 0.168 129.2) |
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 #90C645 | 2.02:1 | Fails | Lc -43.8 | Non-text elements, placeholder text |
| Black text on #90C645 | 10.34:1 | AAA | Lc 64.6 | Content text, not long reading |
| #90C645 text on white | 2.02:1 | Fails | Lc 39.3 | Non-text elements, placeholder text |
| #90C645 text on black | 10.34:1 | AAA | Lc -63.1 | Content text, not long reading |
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 300.
-
Step 50
50
#F1F9E9
oklch(97.2% 0.023 128.7)
-
Step 100
100
#E0F1CF
oklch(93.7% 0.048 129.1)
-
Step 200
200
#C6E6A4
oklch(88.6% 0.093 129.2)
-
Step 300
300 (this color)
#90C645
oklch(76.3% 0.168 129.2)
-
Step 400
400
#7BB600
oklch(70.8% 0.188 129.1)
-
Step 500
500
#689C00
oklch(63.2% 0.168 129.4)
-
Step 600
600
#578300
oklch(55.6% 0.148 129.3)
-
Step 700
700
#496E00
oklch(49.1% 0.13 129)
-
Step 800
800
#3B5A00
oklch(42.7% 0.113 129)
-
Step 900
900
#304B00
oklch(37.7% 0.1 129.3)
-
Step 950
950
#1B2D00
oklch(27.1% 0.072 129.3)
#90C645 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) | #CFB834 | 0.086 |
| Deuteranopia (no green cones) | #C8B54F | 0.088 |
| Tritanopia (no blue cones) | #94BEAB | 0.130 |
| Achromatopsia (no color) | #B6B6B6 | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90C645
#90C645
oklch(76.3% 0.168 129.2)
- #D093FF
#D093FF
oklch(76.3% 0.161 309.1)
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 #90C645, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Yellow Green #9ACD32 ΔE 0.028
- Pea #A4BF20 ΔE 0.029
- Bright Olive #9CBB04 ΔE 0.034
- Slime Green #99CC04 ΔE 0.036
- Apple #6ECB3C ΔE 0.039
- Apple Green #76CD26 ΔE 0.043
- Light Olive Green #A4BE5C ΔE 0.044
- Dark Lime Green #7EBD01 ΔE 0.045
Use #90C645 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.