#5FC399
Closest named color: Medium Aquamarine (#66CDAA). oklch(74.5% 0.113 163.9), rgb(95, 195, 153).
Aa
Black text reads best on this color (9.75:1).
About this color
#5FC399 is a medium-light, moderately saturated green. In OKLCH its lightness is 75%, its chroma 0.113 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 0.033 away. Black text reads best on it, at 9.75:1.
| Hue family | Greens |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.113) |
| Temperature | in between |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 9.75:1 |
| White text | 2.15:1 |
Values
| HEX | #5FC399 |
| RGB | rgb(95, 195, 153) |
| HSL | hsl(155, 45%, 57%) |
| OKLCH | oklch(74.5% 0.113 163.9) |
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 #5FC399 | 2.15:1 | Fails | Lc -46.8 | Large or bold text, headings |
| Black text on #5FC399 | 9.75:1 | AAA | Lc 61.9 | Content text, not long reading |
| #5FC399 text on white | 2.15:1 | Fails | Lc 42.1 | Non-text elements, placeholder text |
| #5FC399 text on black | 9.75:1 | AAA | Lc -60.1 | 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
#F0F8F4
oklch(97.2% 0.01 164.9)
-
Step 100
100
#DEEEE6
oklch(93.5% 0.02 164.6)
-
Step 200
200
#C2E2D2
oklch(88.5% 0.04 163.9)
-
Step 300
300
#96D0B4
oklch(81% 0.072 163.4)
-
Step 400
400 (this color)
#5FC399
oklch(74.5% 0.113 163.9)
-
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)
#5FC399 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) | #C0B797 | 0.112 |
| Deuteranopia (no green cones) | #B1AC9C | 0.108 |
| Tritanopia (no blue cones) | #3CC3B7 | 0.045 |
| Achromatopsia (no color) | #B1B1B1 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5FC399
#5FC399
oklch(74.5% 0.113 163.9)
- #DF8FBE
#DF8FBE
oklch(74.5% 0.113 344.1)
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 #5FC399, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.033
- Greenblue #23C48B ΔE 0.041
- Soft Green #6FC276 ΔE 0.044
- Green Blue #01C08D ΔE 0.046
- Dark Sea Green #8FBC8F ΔE 0.046
- Greeny Blue #42B395 ΔE 0.053
- Pale Teal #82CBB2 ΔE 0.053
- Faded Green #7BB274 ΔE 0.056
Use #5FC399 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.