#5FD199
Closest named color: Medium Aquamarine (#66CDAA). oklch(78% 0.133 159.6), rgb(95, 209, 153).
Aa
Black text reads best on this color (11.06:1).
About this color
#5FD199 is a medium-light, moderately saturated green. In OKLCH its lightness is 78%, its chroma 0.133 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.030 away. Black text reads best on it, at 11.06:1.
| Hue family | Greens |
| Lightness | medium-light (78%) |
| Chroma | moderately saturated (0.133) |
| Temperature | in between |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 11.06:1 |
| White text | 1.89:1 |
Values
| HEX | #5FD199 |
| RGB | rgb(95, 209, 153) |
| HSL | hsl(151, 55%, 60%) |
| OKLCH | oklch(78% 0.133 159.6) |
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 #5FD199 | 1.89:1 | Fails | Lc -40.1 | Non-text elements, placeholder text |
| Black text on #5FD199 | 11.06:1 | AAA | Lc 68.0 | Content text, not long reading |
| #5FD199 text on white | 1.89:1 | Fails | Lc 35.9 | Non-text elements, placeholder text |
| #5FD199 text on black | 11.06:1 | AAA | Lc -66.6 | 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
#ECF9F1
oklch(97% 0.017 159.1)
-
Step 100
100
#D5F2E1
oklch(93.5% 0.038 159.9)
-
Step 200
200
#AFE9C8
oklch(88.5% 0.075 159.5)
-
Step 300
300 (this color)
#5FD199
oklch(78% 0.133 159.6)
-
Step 400
400
#00BE7C
oklch(70.7% 0.161 159.6)
-
Step 500
500
#00A36A
oklch(63.1% 0.143 159.7)
-
Step 600
600
#008958
oklch(55.6% 0.127 159.5)
-
Step 700
700
#007349
oklch(49% 0.112 159.4)
-
Step 800
800
#005F3B
oklch(42.8% 0.098 159.1)
-
Step 900
900
#004F31
oklch(37.7% 0.086 159.7)
-
Step 950
950
#002F1B
oklch(26.9% 0.062 159.3)
#5FD199 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) | #CFC396 | 0.125 |
| Deuteranopia (no green cones) | #BFB79C | 0.122 |
| Tritanopia (no blue cones) | #37D0C2 | 0.059 |
| Achromatopsia (no color) | #BCBCBC | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5FD199
#5FD199
oklch(78% 0.133 159.6)
- #EF94D2
#EF94D2
oklch(77.9% 0.133 339.7)
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 #5FD199, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.030
- Emerald #06D6A0 ΔE 0.032
- Seafoam Blue #78D1B6 ΔE 0.048
- Soft Green #6FC276 ΔE 0.049
- Greenblue #23C48B ΔE 0.054
- Aqua Green #12E193 ΔE 0.055
- Pale Teal #82CBB2 ΔE 0.055
- Seaweed #18D17B ΔE 0.056
Use #5FD199 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.