#56D18E
Closest named color: Emerald (#06D6A0). oklch(77.4% 0.147 156.5), rgb(86, 209, 142).
Aa
Black text reads best on this color (10.90:1).
About this color
#56D18E is a medium-light, vivid green. In OKLCH its lightness is 77%, its chroma 0.147 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Emerald (#06D6A0), ΔE 0.030 away. Black text reads best on it, at 10.90:1.
| Hue family | Greens |
| Lightness | medium-light (77%) |
| Chroma | vivid (0.147) |
| Temperature | in between |
| Nearest name | Emerald (#06D6A0) |
| Black text | 10.90:1 |
| White text | 1.92:1 |
Values
| HEX | #56D18E |
| RGB | rgb(86, 209, 142) |
| HSL | hsl(147, 57%, 58%) |
| OKLCH | oklch(77.4% 0.147 156.5) |
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 #56D18E | 1.92:1 | Fails | Lc -40.8 | Non-text elements, placeholder text |
| Black text on #56D18E | 10.90:1 | AAA | Lc 67.4 | Content text, not long reading |
| #56D18E text on white | 1.92:1 | Fails | Lc 36.5 | Non-text elements, placeholder text |
| #56D18E text on black | 10.90:1 | AAA | Lc -65.9 | 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
#EBFAF0
oklch(97.1% 0.021 156.8)
-
Step 100
100
#D4F3DE
oklch(93.6% 0.043 155.9)
-
Step 200
200
#ADEAC3
oklch(88.5% 0.082 156.3)
-
Step 300
300 (this color)
#56D18E
oklch(77.4% 0.147 156.5)
-
Step 400
400
#00BF73
oklch(70.8% 0.17 156.5)
-
Step 500
500
#00A462
oklch(63.2% 0.152 156.5)
-
Step 600
600
#008A51
oklch(55.7% 0.135 156.2)
-
Step 700
700
#007444
oklch(49.2% 0.118 156.6)
-
Step 800
800
#005F37
oklch(42.7% 0.102 156.7)
-
Step 900
900
#004F2D
oklch(37.6% 0.09 156.8)
-
Step 950
950
#002F19
oklch(26.9% 0.064 157.1)
#56D18E 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) | #D0C28A | 0.134 |
| Deuteranopia (no green cones) | #BFB692 | 0.130 |
| Tritanopia (no blue cones) | #26CFBF | 0.070 |
| Achromatopsia (no color) | #BBBBBB | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #56D18E
#56D18E
oklch(77.4% 0.147 156.5)
- #F08FD8
#F08FD8
oklch(77.4% 0.147 336.7)
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 #56D18E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald #06D6A0 ΔE 0.030
- Seaweed #18D17B ΔE 0.039
- Soft Green #6FC276 ΔE 0.043
- Aqua Green #12E193 ΔE 0.046
- Medium Aquamarine #66CDAA ΔE 0.046
- Greenblue #23C48B ΔE 0.048
- Dark Mint #48C072 ΔE 0.055
- Algae Green #21C36F ΔE 0.061
Use #56D18E 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.