#5DD278
Closest named color: Seaweed (#18D17B). oklch(77.5% 0.165 148.8), rgb(93, 210, 120).
Aa
Black text reads best on this color (10.95:1).
About this color
#5DD278 is a medium-light, vivid green. In OKLCH its lightness is 77%, its chroma 0.165 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed (#18D17B), ΔE 0.031 away. Black text reads best on it, at 10.95:1.
| Hue family | Greens |
| Lightness | medium-light (77%) |
| Chroma | vivid (0.165) |
| Temperature | in between |
| Nearest name | Seaweed (#18D17B) |
| Black text | 10.95:1 |
| White text | 1.91:1 |
Values
| HEX | #5DD278 |
| RGB | rgb(93, 210, 120) |
| HSL | hsl(134, 57%, 59%) |
| OKLCH | oklch(77.5% 0.165 148.8) |
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 #5DD278 | 1.91:1 | Fails | Lc -40.6 | Non-text elements, placeholder text |
| Black text on #5DD278 | 10.95:1 | AAA | Lc 67.6 | Content text, not long reading |
| #5DD278 text on white | 1.91:1 | Fails | Lc 36.3 | Non-text elements, placeholder text |
| #5DD278 text on black | 10.95:1 | AAA | Lc -66.2 | 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 300.
-
Step 50
50
#ECFAED
oklch(97.1% 0.023 147.5)
-
Step 100
100
#D5F3D9
oklch(93.5% 0.047 149)
-
Step 200
200
#AFEBB8
oklch(88.6% 0.093 148.8)
-
Step 300
300 (this color)
#5DD278
oklch(77.5% 0.165 148.8)
-
Step 400
400
#00C152
oklch(70.8% 0.201 148.7)
-
Step 500
500
#00A546
oklch(63% 0.178 148.9)
-
Step 600
600
#008B39
oklch(55.6% 0.158 148.7)
-
Step 700
700
#00752F
oklch(49.1% 0.139 148.8)
-
Step 800
800
#006025
oklch(42.7% 0.121 148.7)
-
Step 900
900
#00501E
oklch(37.6% 0.107 148.8)
-
Step 950
950
#00300F
oklch(27% 0.076 148.8)
#5DD278 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) | #D4C271 | 0.135 |
| Deuteranopia (no green cones) | #C4B77E | 0.133 |
| Tritanopia (no blue cones) | #42CEBC | 0.094 |
| Achromatopsia (no color) | #BBBBBB | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5DD278
#5DD278
oklch(77.5% 0.165 148.8)
- #EE8CE9
#EE8CE9
oklch(77.4% 0.165 328.9)
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 #5DD278, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed #18D17B ΔE 0.031
- Soft Green #6FC276 ΔE 0.045
- Aqua Green #12E193 ΔE 0.045
- Fresh Green #69D84F ΔE 0.049
- Emerald #06D6A0 ΔE 0.051
- Weird Green #3AE57F ΔE 0.052
- Apple #6ECB3C ΔE 0.053
- Dark Mint #48C072 ΔE 0.055
Use #5DD278 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.