#53C899
Closest named color: Medium Aquamarine (#66CDAA). oklch(75.3% 0.127 163.8), rgb(83, 200, 153).
Aa
Black text reads best on this color (10.08:1).
About this color
#53C899 is a medium-light, moderately saturated green. In OKLCH its lightness is 75%, its chroma 0.127 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.031 away. Black text reads best on it, at 10.08:1.
| Hue family | Greens |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.127) |
| Temperature | in between |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 10.08:1 |
| White text | 2.08:1 |
Values
| HEX | #53C899 |
| RGB | rgb(83, 200, 153) |
| HSL | hsl(156, 52%, 55%) |
| OKLCH | oklch(75.3% 0.127 163.8) |
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 #53C899 | 2.08:1 | Fails | Lc -45.0 | Non-text elements, placeholder text |
| Black text on #53C899 | 10.08:1 | AAA | Lc 63.5 | Content text, not long reading |
| #53C899 text on white | 2.08:1 | Fails | Lc 40.4 | Non-text elements, placeholder text |
| #53C899 text on black | 10.08:1 | AAA | Lc -61.9 | 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 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
#90D1B3
oklch(80.8% 0.079 164.1)
-
Step 400
400 (this color)
#53C899
oklch(75.3% 0.127 163.8)
-
Step 500
500
#00A273
oklch(63.1% 0.134 164)
-
Step 600
600
#008860
oklch(55.5% 0.118 164)
-
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
#004F36
oklch(37.9% 0.081 163.8)
-
Step 950
950
#002F1F
oklch(27% 0.057 164.4)
#53C899 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 | 0.125 |
| Deuteranopia (no green cones) | #B4AF9C | 0.120 |
| Tritanopia (no blue cones) | #15C8BB | 0.050 |
| Achromatopsia (no color) | #B4B4B4 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #53C899
#53C899
oklch(75.3% 0.127 163.8)
- #E78DC3
#E78DC3
oklch(75.3% 0.127 343.8)
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 #53C899, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.031
- Greenblue #23C48B ΔE 0.034
- Emerald #06D6A0 ΔE 0.041
- Soft Green #6FC276 ΔE 0.043
- Green Blue #01C08D ΔE 0.044
- Dark Mint #48C072 ΔE 0.052
- Seafoam Blue #78D1B6 ΔE 0.056
- Pale Teal #82CBB2 ΔE 0.057
Use #53C899 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.