#56C899
Closest named color: Medium Aquamarine (#66CDAA). oklch(75.4% 0.125 163.5), rgb(86, 200, 153).
Aa
Black text reads best on this color (10.11:1).
About this color
#56C899 is a medium-light, moderately saturated green. In OKLCH its lightness is 75%, its chroma 0.125 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.029 away. Black text reads best on it, at 10.11:1.
| Hue family | Greens |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 10.11:1 |
| White text | 2.07:1 |
Values
| HEX | #56C899 |
| RGB | rgb(86, 200, 153) |
| HSL | hsl(155, 51%, 56%) |
| OKLCH | oklch(75.4% 0.125 163.5) |
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 #56C899 | 2.07:1 | Fails | Lc -44.8 | Non-text elements, placeholder text |
| Black text on #56C899 | 10.11:1 | AAA | Lc 63.7 | Content text, not long reading |
| #56C899 text on white | 2.07:1 | Fails | Lc 40.3 | Non-text elements, placeholder text |
| #56C899 text on black | 10.11:1 | AAA | Lc -62.0 | 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 400.
-
Step 50
50
#EFF8F3
oklch(97.1% 0.012 162.1)
-
Step 100
100
#DDEFE6
oklch(93.6% 0.022 164.5)
-
Step 200
200
#C0E3D1
oklch(88.6% 0.044 163)
-
Step 300
300
#91D1B3
oklch(80.9% 0.078 163.8)
-
Step 400
400 (this color)
#56C899
oklch(75.4% 0.125 163.5)
-
Step 500
500
#00A272
oklch(63% 0.135 163.5)
-
Step 600
600
#00885F
oklch(55.5% 0.119 163.5)
-
Step 700
700
#007350
oklch(49.2% 0.105 163.6)
-
Step 800
800
#005E41
oklch(42.7% 0.091 163.9)
-
Step 900
900
#004F35
oklch(37.8% 0.082 162.9)
-
Step 950
950
#002F1E
oklch(27% 0.058 163)
#56C899 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) | #C5BB96 | 0.123 |
| Deuteranopia (no green cones) | #B4AF9C | 0.118 |
| Tritanopia (no blue cones) | #21C8BB | 0.050 |
| Achromatopsia (no color) | #B4B4B4 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #56C899
#56C899
oklch(75.4% 0.125 163.5)
- #E68EC4
#E68EC4
oklch(75.4% 0.125 343)
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 #56C899, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.029
- Greenblue #23C48B ΔE 0.036
- Emerald #06D6A0 ΔE 0.042
- Soft Green #6FC276 ΔE 0.043
- Green Blue #01C08D ΔE 0.045
- Dark Mint #48C072 ΔE 0.053
- Seafoam Blue #78D1B6 ΔE 0.055
- Pale Teal #82CBB2 ΔE 0.056
Use #56C899 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.