#18A47D
Closest named color: Jade (#1FA774). oklch(64% 0.125 167.7), rgb(24, 164, 125).
Aa
Black text reads best on this color (6.64:1).
About this color
#18A47D is a medium-light, moderately saturated green. In OKLCH its lightness is 64%, its chroma 0.125 and its hue 168°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jade (#1FA774), ΔE 0.018 away. Black text reads best on it, at 6.64:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Jade (#1FA774) |
| Black text | 6.64:1 |
| White text | 3.16:1 |
Values
| HEX | #18A47D |
| RGB | rgb(24, 164, 125) |
| HSL | hsl(163, 74%, 37%) |
| OKLCH | oklch(64% 0.125 167.7) |
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 #18A47D | 3.16:1 | AA large text | Lc -63.6 | Content text, not long reading |
| Black text on #18A47D | 6.64:1 | AA | Lc 45.9 | Large or bold text, headings |
| #18A47D text on white | 3.16:1 | AA large text | Lc 58.2 | Large or bold text, headings |
| #18A47D text on black | 6.64:1 | AA | Lc -43.5 | 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
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#DFEEE7
oklch(93.6% 0.018 166.4)
-
Step 200
200
#C5E1D5
oklch(88.6% 0.034 167.9)
-
Step 300
300
#9ACEB9
oklch(80.9% 0.062 168)
-
Step 400
400
#5CB494
oklch(70.6% 0.098 167.6)
-
Step 500
500 (this color)
#18A47D
oklch(64% 0.125 167.7)
-
Step 600
600
#008866
oklch(55.6% 0.113 167.6)
-
Step 700
700
#007255
oklch(49% 0.1 167.6)
-
Step 800
800
#005E45
oklch(42.8% 0.088 167.1)
-
Step 900
900
#004E39
oklch(37.6% 0.077 167.4)
-
Step 950
950
#032E21
oklch(26.9% 0.052 167.7)
#18A47D 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) | #A0987B | 0.126 |
| Deuteranopia (no green cones) | #8F8C80 | 0.121 |
| Tritanopia (no blue cones) | #00A599 | 0.040 |
| Achromatopsia (no color) | #919191 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18A47D
#18A47D
oklch(64% 0.125 167.7)
- #C36B9A
#C36B9A
oklch(64.2% 0.125 347.9)
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 #18A47D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jade #1FA774 ΔE 0.018
- Ocean Green #3D9973 ΔE 0.032
- Persian Green #2A9D8F ΔE 0.040
- Dark Seafoam Green #3EAF76 ΔE 0.042
- Bluey Green #2BB179 ΔE 0.043
- Blue Green #0F9B8E ΔE 0.043
- Seaweed Green #35AD6B ΔE 0.043
- Jade Green #2BAF6A ΔE 0.049
Use #18A47D 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.