#6FE199
Closest named color: Aqua Green (#12E193). oklch(82.4% 0.147 153.9), rgb(111, 225, 153).
Aa
Black text reads best on this color (12.90:1).
About this color
#6FE199 is a light, vivid green. In OKLCH its lightness is 82%, its chroma 0.147 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Aqua Green (#12E193), ΔE 0.044 away. Black text reads best on it, at 12.90:1.
| Hue family | Greens |
| Lightness | light (82%) |
| Chroma | vivid (0.147) |
| Temperature | in between |
| Nearest name | Aqua Green (#12E193) |
| Black text | 12.90:1 |
| White text | 1.62:1 |
Values
| HEX | #6FE199 |
| RGB | rgb(111, 225, 153) |
| HSL | hsl(142, 66%, 66%) |
| OKLCH | oklch(82.4% 0.147 153.9) |
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 #6FE199 | 1.62:1 | Fails | Lc -31.3 | Non-text elements, placeholder text |
| Black text on #6FE199 | 12.90:1 | AAA | Lc 76.0 | Fine for body text |
| #6FE199 text on white | 1.62:1 | Fails | Lc 27.8 | Dividers and decoration only |
| #6FE199 text on black | 12.90:1 | AAA | Lc -75.2 | Fine for body text |
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
#ECFAF0
oklch(97.2% 0.02 154.9)
-
Step 100
100
#D5F3DD
oklch(93.6% 0.043 153.7)
-
Step 200
200
#AFEAC1
oklch(88.6% 0.082 154.1)
-
Step 300
300 (this color)
#6FE199
oklch(82.4% 0.147 153.9)
-
Step 400
400
#00BF6A
oklch(70.6% 0.178 154)
-
Step 500
500
#00A45A
oklch(63.1% 0.159 153.9)
-
Step 600
600
#008A4B
oklch(55.6% 0.14 154)
-
Step 700
700
#00743E
oklch(49% 0.124 153.9)
-
Step 800
800
#005F32
oklch(42.6% 0.107 154.1)
-
Step 900
900
#005029
oklch(37.8% 0.096 153.9)
-
Step 950
950
#003016
oklch(27.1% 0.069 153.7)
#6FE199 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) | #E1D294 | 0.130 |
| Deuteranopia (no green cones) | #D0C69D | 0.126 |
| Tritanopia (no blue cones) | #52DFCE | 0.073 |
| Achromatopsia (no color) | #CBCBCB | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6FE199
#6FE199
oklch(82.4% 0.147 153.9)
- #FEA0ED
#FEA0ED
oklch(82.4% 0.146 333.6)
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 #6FE199, closest first.
No curated palette has a color within ΔE 0.04 of #6FE199.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Green #12E193 ΔE 0.044
- Aqua Marine #2EE8BB ΔE 0.047
- Hospital Green #9BE5AA ΔE 0.050
- Light Green #90EE90 ΔE 0.052
- Weird Green #3AE57F ΔE 0.052
- Emerald #06D6A0 ΔE 0.059
- Light Teal #90E4C1 ΔE 0.064
- Seafoam Green #7AF9AB ΔE 0.066
Use #6FE199 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.