#E4BC13
Closest named color: Mustard Yellow (#D2BD0A). oklch(80.7% 0.162 93), rgb(228, 188, 19).
Aa
Black text reads best on this color (11.50:1).
About this color
#E4BC13 is a light, vivid yellow. In OKLCH its lightness is 81%, its chroma 0.162 and its hue 93°. Its hue sits on the warm side of the wheel. The nearest named color is Mustard Yellow (#D2BD0A), ΔE 0.028 away. Black text reads best on it, at 11.50:1.
| Hue family | Yellows |
| Lightness | light (81%) |
| Chroma | vivid (0.162) |
| Temperature | warm |
| Nearest name | Mustard Yellow (#D2BD0A) |
| Black text | 11.50:1 |
| White text | 1.82:1 |
Values
| HEX | #E4BC13 |
| RGB | rgb(228, 188, 19) |
| HSL | hsl(49, 85%, 48%) |
| OKLCH | oklch(80.7% 0.162 93) |
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 #E4BC13 | 1.82:1 | Fails | Lc -38.0 | Non-text elements, placeholder text |
| Black text on #E4BC13 | 11.50:1 | AAA | Lc 70.0 | Content text, not long reading |
| #E4BC13 text on white | 1.82:1 | Fails | Lc 33.9 | Non-text elements, placeholder text |
| #E4BC13 text on black | 11.50:1 | AAA | Lc -68.7 | 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
#FAF5E5
oklch(97% 0.022 92.5)
-
Step 100
100
#F4EAC7
oklch(93.6% 0.047 93.9)
-
Step 200
200
#EDD894
oklch(88.4% 0.089 92.9)
-
Step 300
300 (this color)
#E4BC13
oklch(80.7% 0.162 93)
-
Step 400
400
#C09D00
oklch(70.7% 0.145 92.8)
-
Step 500
500
#A48600
oklch(63% 0.129 93)
-
Step 600
600
#8A7100
oklch(55.6% 0.114 93.5)
-
Step 700
700
#745E00
oklch(49% 0.1 92.9)
-
Step 800
800
#5F4D00
oklch(42.6% 0.087 93.4)
-
Step 900
900
#504000
oklch(37.8% 0.077 92.8)
-
Step 950
950
#302500
oklch(26.9% 0.055 91.9)
#E4BC13 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) | #D2B900 | 0.030 |
| Deuteranopia (no green cones) | #DCC525 | 0.023 |
| Tritanopia (no blue cones) | #F7ABA0 | 0.148 |
| Achromatopsia (no color) | #C0C0C0 | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E4BC13
#E4BC13
oklch(80.7% 0.162 93)
- #ABBCFF
#ABBCFF
oklch(80.7% 0.097 273.1)
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 #E4BC13, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Yellow #D2BD0A ΔE 0.028
- Golden #F5BF03 ΔE 0.028
- Dark Yellow #D5B60A ΔE 0.029
- Golden Rod #F9BC08 ΔE 0.033
- Macaroni And Cheese #EFB435 ΔE 0.033
- Marigold #FCC006 ΔE 0.040
- Orangey Yellow #FDB915 ΔE 0.040
- Mustard #CEB301 ΔE 0.043
Use #E4BC13 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.