#56CE78
Closest named color: Seaweed (#18D17B). oklch(76.2% 0.163 150.1), rgb(86, 206, 120).
Aa
Black text reads best on this color (10.49:1).
About this color
#56CE78 is a medium-light, vivid green. In OKLCH its lightness is 76%, its chroma 0.163 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed (#18D17B), ΔE 0.025 away. Black text reads best on it, at 10.49:1.
| Hue family | Greens |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.163) |
| Temperature | in between |
| Nearest name | Seaweed (#18D17B) |
| Black text | 10.49:1 |
| White text | 2.00:1 |
Values
| HEX | #56CE78 |
| RGB | rgb(86, 206, 120) |
| HSL | hsl(137, 55%, 57%) |
| OKLCH | oklch(76.2% 0.163 150.1) |
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 #56CE78 | 2.00:1 | Fails | Lc -42.9 | Non-text elements, placeholder text |
| Black text on #56CE78 | 10.49:1 | AAA | Lc 65.5 | Content text, not long reading |
| #56CE78 text on white | 2.00:1 | Fails | Lc 38.4 | Non-text elements, placeholder text |
| #56CE78 text on black | 10.49:1 | AAA | Lc -63.9 | 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
#ECFAEE
oklch(97.1% 0.022 149.7)
-
Step 100
100
#D5F3DA
oklch(93.6% 0.046 150.1)
-
Step 200
200
#AEEBBA
oklch(88.6% 0.091 150.2)
-
Step 300
300 (this color)
#56CE78
oklch(76.2% 0.163 150.1)
-
Step 400
400
#00C059
oklch(70.6% 0.194 150)
-
Step 500
500
#00A54C
oklch(63.1% 0.173 150.1)
-
Step 600
600
#008B3F
oklch(55.7% 0.153 150.2)
-
Step 700
700
#007534
oklch(49.2% 0.135 150.2)
-
Step 800
800
#006029
oklch(42.7% 0.118 150)
-
Step 900
900
#005021
oklch(37.7% 0.104 150)
-
Step 950
950
#003011
oklch(27% 0.074 150)
#56CE78 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) | #CFBE72 | 0.135 |
| Deuteranopia (no green cones) | #BFB37E | 0.133 |
| Tritanopia (no blue cones) | #35CBB9 | 0.090 |
| Achromatopsia (no color) | #B7B7B7 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #56CE78
#56CE78
oklch(76.2% 0.163 150.1)
- #EB88E2
#EB88E2
oklch(76.2% 0.164 330.4)
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 #56CE78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed #18D17B ΔE 0.025
- Soft Green #6FC276 ΔE 0.036
- Dark Mint #48C072 ΔE 0.042
- Algae Green #21C36F ΔE 0.045
- Emerald #06D6A0 ΔE 0.049
- Greenblue #23C48B ΔE 0.050
- Dark Mint Green #20C073 ΔE 0.052
- Aqua Green #12E193 ΔE 0.053
Use #56CE78 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.