#90A166
Closest named color: Grey Green (#86A17D). oklch(68.1% 0.084 121.7), rgb(144, 161, 102).
Aa
Black text reads best on this color (7.47:1).
About this color
#90A166 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 68%, its chroma 0.084 and its hue 122°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grey Green (#86A17D), ΔE 0.031 away. Black text reads best on it, at 7.47:1.
| Hue family | Yellows |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.084) |
| Temperature | in between |
| Nearest name | Grey Green (#86A17D) |
| Black text | 7.47:1 |
| White text | 2.80:1 |
Values
| HEX | #90A166 |
| RGB | rgb(144, 161, 102) |
| HSL | hsl(77, 24%, 52%) |
| OKLCH | oklch(68.1% 0.084 121.7) |
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 #90A166 | 2.80:1 | Fails | Lc -59.3 | Large or bold text, headings |
| Black text on #90A166 | 7.47:1 | AAA | Lc 50.0 | Large or bold text, headings |
| #90A166 text on white | 2.80:1 | Fails | Lc 54.0 | Large or bold text, headings |
| #90A166 text on black | 7.47:1 | AAA | Lc -47.8 | 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
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E8ECE1
oklch(93.7% 0.015 123)
-
Step 200
200
#D6DCC8
oklch(88.4% 0.028 120.6)
-
Step 300
300
#BBC6A1
oklch(80.8% 0.052 121)
-
Step 400
400 (this color)
#90A166
oklch(68.1% 0.084 121.7)
-
Step 500
500
#7F9346
oklch(63% 0.106 121.5)
-
Step 600
600
#687D24
oklch(55.5% 0.116 121.8)
-
Step 700
700
#576A16
oklch(49.2% 0.108 121.9)
-
Step 800
800
#475616
oklch(42.6% 0.089 121.7)
-
Step 900
900
#3C4719
oklch(37.7% 0.07 121.1)
-
Step 950
950
#232A10
oklch(27.1% 0.044 121.8)
#90A166 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) | #A89A62 | 0.037 |
| Deuteranopia (no green cones) | #A69A69 | 0.037 |
| Tritanopia (no blue cones) | #959B92 | 0.069 |
| Achromatopsia (no color) | #9A9A9A | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90A166
#90A166
oklch(68.1% 0.084 121.7)
- #A28DC4
#A28DC4
oklch(68.2% 0.083 301.7)
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 #90A166, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Green #86A17D ΔE 0.031
- Greeny Grey #7EA07A ΔE 0.033
- Sage #87AE73 ΔE 0.035
- Dusty Green #76A973 ΔE 0.035
- Dull Green #74A662 ΔE 0.038
- Moss #769958 ΔE 0.046
- Sage Green #88B378 ΔE 0.048
- Faded Green #7BB274 ΔE 0.048
Use #90A166 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.