#6DDE91
Closest named color: Aqua Green (#12E193). oklch(81.5% 0.151 152.1), rgb(109, 222, 145).
Aa
Black text reads best on this color (12.50:1).
About this color
#6DDE91 is a light, vivid green. In OKLCH its lightness is 81%, its chroma 0.151 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Aqua Green (#12E193), ΔE 0.039 away. Black text reads best on it, at 12.50:1.
| Hue family | Greens |
| Lightness | light (81%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Aqua Green (#12E193) |
| Black text | 12.50:1 |
| White text | 1.67:1 |
Values
| HEX | #6DDE91 |
| RGB | rgb(109, 222, 145) |
| HSL | hsl(139, 63%, 65%) |
| OKLCH | oklch(81.5% 0.151 152.1) |
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 #6DDE91 | 1.67:1 | Fails | Lc -33.2 | Non-text elements, placeholder text |
| Black text on #6DDE91 | 12.50:1 | AAA | Lc 74.4 | Content text, not long reading |
| #6DDE91 text on white | 1.67:1 | Fails | Lc 29.5 | Dividers and decoration only |
| #6DDE91 text on black | 12.50:1 | AAA | Lc -73.4 | 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
#ECFAEF
oklch(97.2% 0.021 152.2)
-
Step 100
100
#D5F3DC
oklch(93.6% 0.044 152.4)
-
Step 200
200
#B0EABE
oklch(88.6% 0.084 151.8)
-
Step 300
300 (this color)
#6DDE91
oklch(81.5% 0.151 152.1)
-
Step 400
400
#00C063
oklch(70.8% 0.186 152.1)
-
Step 500
500
#00A554
oklch(63.2% 0.166 152.1)
-
Step 600
600
#008A45
oklch(55.5% 0.146 152)
-
Step 700
700
#007439
oklch(49% 0.129 152)
-
Step 800
800
#00602E
oklch(42.8% 0.113 152)
-
Step 900
900
#005025
oklch(37.8% 0.1 151.8)
-
Step 950
950
#003014
oklch(27.1% 0.071 152.1)
#6DDE91 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) | #DECE8C | 0.130 |
| Deuteranopia (no green cones) | #CEC396 | 0.127 |
| Tritanopia (no blue cones) | #52DBCA | 0.080 |
| Achromatopsia (no color) | #C8C8C8 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6DDE91
#6DDE91
oklch(81.5% 0.151 152.1)
- #FB9CED
#FB9CED
oklch(81.5% 0.151 332.3)
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 #6DDE91, closest first.
No curated palette has a color within ΔE 0.04 of #6DDE91.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Green #12E193 ΔE 0.039
- Weird Green #3AE57F ΔE 0.046
- Aqua Marine #2EE8BB ΔE 0.054
- Emerald #06D6A0 ΔE 0.055
- Light Green #90EE90 ΔE 0.058
- Hospital Green #9BE5AA ΔE 0.060
- Seaweed #18D17B ΔE 0.066
- Medium Aquamarine #66CDAA ΔE 0.067
Use #6DDE91 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.