#28CA89
Closest named color: Greenblue (#23C48B). oklch(74.4% 0.159 160.2), rgb(40, 202, 137).
Aa
Black text reads best on this color (9.89:1).
About this color
#28CA89 is a medium-light, vivid green. In OKLCH its lightness is 74%, its chroma 0.159 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greenblue (#23C48B), ΔE 0.019 away. Black text reads best on it, at 9.89:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.159) |
| Temperature | in between |
| Nearest name | Greenblue (#23C48B) |
| Black text | 9.89:1 |
| White text | 2.12:1 |
Values
| HEX | #28CA89 |
| RGB | rgb(40, 202, 137) |
| HSL | hsl(156, 67%, 47%) |
| OKLCH | oklch(74.4% 0.159 160.2) |
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 #28CA89 | 2.12:1 | Fails | Lc -45.7 | Large or bold text, headings |
| Black text on #28CA89 | 9.89:1 | AAA | Lc 62.9 | Content text, not long reading |
| #28CA89 text on white | 2.12:1 | Fails | Lc 41.1 | Non-text elements, placeholder text |
| #28CA89 text on black | 9.89:1 | AAA | Lc -61.2 | 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 400.
-
Step 50
50
#EEF8F2
oklch(97% 0.013 159.9)
-
Step 100
100
#DAF0E3
oklch(93.5% 0.029 159.9)
-
Step 200
200
#BBE5CD
oklch(88.5% 0.055 160)
-
Step 300
300
#85D5AB
oklch(81% 0.099 160.2)
-
Step 400
400 (this color)
#28CA89
oklch(74.4% 0.159 160.2)
-
Step 500
500
#00A36B
oklch(63.1% 0.143 160.1)
-
Step 600
600
#008959
oklch(55.6% 0.126 160)
-
Step 700
700
#00734A
oklch(49% 0.111 160)
-
Step 800
800
#005F3C
oklch(42.8% 0.097 159.8)
-
Step 900
900
#004F32
oklch(37.7% 0.085 160.4)
-
Step 950
950
#002F1C
oklch(26.9% 0.06 160.5)
#28CA89 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) | #C7BA85 | 0.149 |
| Deuteranopia (no green cones) | #B4AC8D | 0.146 |
| Tritanopia (no blue cones) | #00C9B9 | 0.068 |
| Achromatopsia (no color) | #B2B2B2 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28CA89
#28CA89
oklch(74.4% 0.159 160.2)
- #ED81CB
#ED81CB
oklch(74.5% 0.158 340.3)
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 #28CA89, closest first.
No curated palette has a color within ΔE 0.04 of #28CA89.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenblue #23C48B ΔE 0.019
- Seaweed #18D17B ΔE 0.031
- Dark Mint #48C072 ΔE 0.033
- Green Blue #01C08D ΔE 0.033
- Algae Green #21C36F ΔE 0.034
- Dark Mint Green #20C073 ΔE 0.035
- Emerald #06D6A0 ΔE 0.038
- Soft Green #6FC276 ΔE 0.043
Use #28CA89 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.