#18A683
Closest named color: Jade (#1FA774). oklch(64.7% 0.123 170.2), rgb(24, 166, 131).
Aa
Black text reads best on this color (6.82:1).
About this color
#18A683 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 65%, its chroma 0.123 and its hue 170°. Its hue sits on the cool side of the wheel. The nearest named color is Jade (#1FA774), ΔE 0.022 away. Black text reads best on it, at 6.82:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Jade (#1FA774) |
| Black text | 6.82:1 |
| White text | 3.07:1 |
Values
| HEX | #18A683 |
| RGB | rgb(24, 166, 131) |
| HSL | hsl(165, 75%, 37%) |
| OKLCH | oklch(64.7% 0.123 170.2) |
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 #18A683 | 3.07:1 | AA large text | Lc -62.6 | Content text, not long reading |
| Black text on #18A683 | 6.82:1 | AA | Lc 46.9 | Large or bold text, headings |
| #18A683 text on white | 3.07:1 | AA large text | Lc 57.2 | Large or bold text, headings |
| #18A683 text on black | 6.82:1 | AA | Lc -44.6 | Non-text elements, placeholder 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 500.
-
Step 50
50
#F0F7F5
oklch(97% 0.008 177.3)
-
Step 100
100
#DFEEE8
oklch(93.6% 0.018 170.1)
-
Step 200
200
#C4E1D6
oklch(88.5% 0.034 170.7)
-
Step 300
300
#9ACEBB
oklch(81% 0.06 170.3)
-
Step 400
400
#5BB498
oklch(70.7% 0.096 170.6)
-
Step 500
500 (this color)
#18A683
oklch(64.7% 0.123 170.2)
-
Step 600
600
#00876A
oklch(55.5% 0.109 170.8)
-
Step 700
700
#007258
oklch(49.1% 0.097 169.9)
-
Step 800
800
#005D48
oklch(42.6% 0.084 170.6)
-
Step 900
900
#004E3C
oklch(37.7% 0.074 170.6)
-
Step 950
950
#032E23
oklch(26.9% 0.05 171.1)
#18A683 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) | #A19A81 | 0.126 |
| Deuteranopia (no green cones) | #908E85 | 0.120 |
| Tritanopia (no blue cones) | #00A79C | 0.036 |
| Achromatopsia (no color) | #939393 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18A683
#18A683
oklch(64.7% 0.123 170.2)
- #C66D99
#C66D99
oklch(64.8% 0.124 350.1)
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 #18A683, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jade #1FA774 ΔE 0.022
- Persian Green #2A9D8F ΔE 0.037
- Ocean Green #3D9973 ΔE 0.038
- Bluey Green #2BB179 ΔE 0.041
- Dark Seafoam Green #3EAF76 ΔE 0.041
- Blue Green #0F9B8E ΔE 0.042
- Seaweed Green #35AD6B ΔE 0.045
- Greeny Blue #42B395 ΔE 0.049
Use #18A683 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.