#28AC58
Closest named color: Medium Green (#39AD48). oklch(65.6% 0.165 150.4), rgb(40, 172, 88).
Aa
Black text reads best on this color (7.13:1).
About this color
#28AC58 is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.165 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Green (#39AD48), ΔE 0.018 away. Black text reads best on it, at 7.13:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.165) |
| Temperature | in between |
| Nearest name | Medium Green (#39AD48) |
| Black text | 7.13:1 |
| White text | 2.94:1 |
Values
| HEX | #28AC58 |
| RGB | rgb(40, 172, 88) |
| HSL | hsl(142, 62%, 42%) |
| OKLCH | oklch(65.6% 0.165 150.4) |
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 #28AC58 | 2.94:1 | Fails | Lc -60.8 | Content text, not long reading |
| Black text on #28AC58 | 7.13:1 | AAA | Lc 48.6 | Large or bold text, headings |
| #28AC58 text on white | 2.94:1 | Fails | Lc 55.4 | Large or bold text, headings |
| #28AC58 text on black | 7.13:1 | AAA | Lc -46.4 | 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 500.
-
Step 50
50
#F1F8F2
oklch(97.2% 0.011 149.9)
-
Step 100
100
#DFEFE2
oklch(93.7% 0.024 151.2)
-
Step 200
200
#C5E2CA
oklch(88.5% 0.045 150.3)
-
Step 300
300
#9BD0A6
oklch(80.9% 0.081 150.6)
-
Step 400
400
#5EB775
oklch(70.7% 0.129 150.3)
-
Step 500
500 (this color)
#28AC58
oklch(65.6% 0.165 150.4)
-
Step 600
600
#008B40
oklch(55.7% 0.152 150.4)
-
Step 700
700
#007535
oklch(49.2% 0.134 150.5)
-
Step 800
800
#00602A
oklch(42.8% 0.117 150.4)
-
Step 900
900
#005022
oklch(37.7% 0.103 150.5)
-
Step 950
950
#052F13
oklch(26.9% 0.068 150)
#28AC58 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) | #AD9D51 | 0.136 |
| Deuteranopia (no green cones) | #9E925E | 0.135 |
| Tritanopia (no blue cones) | #00A998 | 0.090 |
| Achromatopsia (no color) | #969696 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28AC58
#28AC58
oklch(65.6% 0.165 150.4)
- #C867C0
#C867C0
oklch(65.7% 0.165 330.4)
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 #28AC58, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Green #39AD48 ΔE 0.018
- Jade Green #2BAF6A ΔE 0.022
- Seaweed Green #35AD6B ΔE 0.025
- Mid Green #50A747 ΔE 0.025
- Dark Pastel Green #56AE57 ΔE 0.030
- Shamrock #01B44C ΔE 0.031
- Cool Green #33B864 ΔE 0.036
- Medium Sea Green #3CB371 ΔE 0.037
Use #28AC58 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.