#028D4F
Closest named color: Sea Green (#2E8B57). oklch(56.5% 0.14 154.7), rgb(2, 141, 79).
Aa
Black text reads best on this color (4.92:1).
About this color
#028D4F is a medium-dark, vivid green. In OKLCH its lightness is 57%, its chroma 0.140 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.022 away. Black text reads best on it, at 4.92:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.140) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.92:1 |
| White text | 4.26:1 |
Values
| HEX | #028D4F |
| RGB | rgb(2, 141, 79) |
| HSL | hsl(153, 97%, 28%) |
| OKLCH | oklch(56.5% 0.14 154.7) |
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 #028D4F | 4.26:1 | AA large text | Lc -74.3 | Content text, not long reading |
| Black text on #028D4F | 4.92:1 | AA | Lc 35.2 | Non-text elements, placeholder text |
| #028D4F text on white | 4.26:1 | AA large text | Lc 68.8 | Content text, not long reading |
| #028D4F text on black | 4.92:1 | AA | Lc -32.8 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E1EEE4
oklch(93.7% 0.019 152.8)
-
Step 200
200
#C8E0CF
oklch(88.4% 0.034 154.8)
-
Step 300
300
#A1CDAF
oklch(80.9% 0.063 155)
-
Step 400
400
#6BB384
oklch(70.6% 0.101 154.4)
-
Step 500
500
#3AA066
oklch(63.1% 0.129 154.9)
-
Step 600
600 (this color)
#028D4F
oklch(56.5% 0.14 154.7)
-
Step 700
700
#007440
oklch(49.1% 0.122 154.8)
-
Step 800
800
#005F33
oklch(42.6% 0.106 154.6)
-
Step 900
900
#104E2D
oklch(37.6% 0.084 155)
-
Step 950
950
#0D2E1A
oklch(27% 0.054 153.9)
#028D4F 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) | #8D804B | 0.124 |
| Deuteranopia (no green cones) | #7F7753 | 0.120 |
| Tritanopia (no blue cones) | #008B7E | 0.071 |
| Achromatopsia (no color) | #7A7A7A | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #028D4F
#028D4F
oklch(56.5% 0.14 154.7)
- #A65297
#A65297
oklch(56.5% 0.14 334.4)
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 #028D4F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.022
- Jungle Green #048243 ΔE 0.034
- Viridian #1E9167 ΔE 0.035
- Kelley Green #009337 ΔE 0.037
- Forest Green #228B22 ΔE 0.043
- Fern Green #548D44 ΔE 0.045
- Light Forest Green #4F9153 ΔE 0.046
- Emerald Green #028F1E ΔE 0.051
Use #028D4F 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.